diff --git a/Cargo.lock b/Cargo.lock
index a32045f..d097267 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,14 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "addr2line"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "456d75cbb82da1ad150c8a9d97285ffcd21c9931dcb11e995903e7d75141b38b"
+dependencies = [
+ "gimli",
+]
+
 [[package]]
 name = "adler32"
 version = "1.0.4"
@@ -26,15 +35,15 @@ dependencies = [
 
 [[package]]
 name = "arc-swap"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d663a8e9a99154b5fb793032533f6328da35e23aac63d5c152279aa8ba356825"
+checksum = "b585a98a234c46fc563103e9278c9391fde1f4e6850334da895d27edb9580f62"
 
 [[package]]
 name = "async-trait"
-version = "0.1.29"
+version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab5c215748dc1ad11a145359b1067107ae0f8ca5e99844fa64067ed5bf198e3"
+checksum = "26c4f3195085c36ea8d24d32b2f828d23296a9370a28aa39d111f6f16bef9f3b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -66,26 +75,17 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "backtrace"
-version = "0.3.46"
+version = "0.3.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1e692897359247cc6bb902933361652380af0f1b7651ae5c5013407f30e109e"
+checksum = "0df2f85c8a2abbe3b7d7e748052fdd9b76a0458fdeb16ad4223f5eca78c7c130"
 dependencies = [
- "backtrace-sys",
+ "addr2line",
  "cfg-if",
  "libc",
+ "object",
  "rustc-demangle",
 ]
 
-[[package]]
-name = "backtrace-sys"
-version = "0.1.35"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7de8aba10a69c8e8d7622c5710229485ec32e9d55fdad160ea559c086fdcd118"
-dependencies = [
- "cc",
- "libc",
-]
-
 [[package]]
 name = "base64"
 version = "0.11.0"
@@ -94,15 +94,15 @@ checksum = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
 
 [[package]]
 name = "base64"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d5ca2cd0adc3f48f9e9ea5a6bbdf9ccc0bfade884847e484d452414c7ccffb3"
+checksum = "53d1ccbaf7d9ec9537465a97bf19edc1a4e158ecb49fc16178202238c569cc42"
 
 [[package]]
 name = "bb8"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12be5a75061a84c94149b8120651576c138bbade70c6d6d3659cbe8af6a8cbd2"
+checksum = "374bba43fc924d90393ee7768e6f75d223a98307a488fe5bc34b66c3e96932a6"
 dependencies = [
  "async-trait",
  "futures",
@@ -189,12 +189,6 @@ version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "130aac562c0dd69c56b3b1cc8ffd2e17be31d0b6c25b61c96b76231aa23e39e1"
 
-[[package]]
-name = "cc"
-version = "1.0.50"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95e28fa049fda1c330bcf9d723be7663a899c4679724b34c81e9f5a326aab8cd"
-
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
@@ -398,9 +392,9 @@ checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
 [[package]]
 name = "futures"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c329ae8753502fb44ae4fc2b622fa2a94652c41e795143765ba0927f92ab780"
+checksum = "1e05b85ec287aac0dc34db7d4a569323df697f9c55b99b15d6b4ef8cde49f613"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -413,9 +407,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0c77d04ce8edd9cb903932b608268b3fffec4163dc053b3b402bf47eac1f1a8"
+checksum = "f366ad74c28cca6ba456d95e6422883cfb4b252a83bed929c83abfdbbf2967d5"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -423,15 +417,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f25592f769825e89b92358db00d26f965761e094951ac44d3663ef25b7ac464a"
+checksum = "59f5fff90fd5d971f936ad674802482ba441b6f09ba5e15fd8b39145582ca399"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f674f3e1bcb15b37284a90cedf55afdba482ab061c407a9c0ebbd0f3109741ba"
+checksum = "10d6bb888be1153d3abeb9006b11b02cf5e9b209fda28693c31ae1e4e012e314"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -440,15 +434,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a638959aa96152c7a4cddf50fcb1e3fede0583b27157c26e67d6f99904090dc6"
+checksum = "de27142b013a8e869c14957e6d2edeef89e97c289e69d042ee3a49acd8b51789"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a5081aa3de1f7542a794a397cde100ed903b0630152d0973479018fd85423a7"
+checksum = "d0b5a30a4328ab5473878237c447333c093297bded83a4983d10f4deea240d39"
 dependencies = [
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  "proc-macro2",
@@ -458,21 +452,24 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3466821b4bc114d95b087b850a724c6f83115e929bc88f1fa98a3304a944c8a6"
+checksum = "3f2032893cb734c7a05d85ce0cc8b8c4075278e93b24b66f9de99d6eb0fa8acc"
 
 [[package]]
 name = "futures-task"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b0a34e53cf6cdcd0178aa573aed466b646eb3db769570841fda0c7ede375a27"
+checksum = "bdb66b5f09e22019b1ab0830f7785bcea8e7a42148683f99214f73f8ec21a626"
+dependencies = [
+ "once_cell",
+]
 
 [[package]]
 name = "futures-util"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22766cf25d64306bedf0384da004d05c9974ab104fcc4528f1236181c18004c5"
+checksum = "8764574ff08b701a084482c3c7031349104b07ac897393010494beaa18ce32c6"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -481,6 +478,7 @@ dependencies = [
  "futures-sink",
  "futures-task",
  "memchr",
+ "pin-project",
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
@@ -544,10 +542,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "h2"
-version = "0.2.4"
+name = "gimli"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "377038bf3c89d18d6ca1431e7a5027194fbd724ca10592b9487ede5e8e144f42"
+checksum = "bcc8e0c9bce37868955864dbecd2b1ab2bdf967e6f28066d65aaac620444b65c"
+
+[[package]]
+name = "h2"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79b7246d7e4b979c03fa093da39cfb3617a96bbeee6310af63991668d7e843ff"
 dependencies = [
  "bytes",
  "fnv",
@@ -574,7 +578,7 @@ version = "0.3.2"
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 checksum = "ed18eb2459bf1a09ad2d6b1547840c3e5e62882fa09b9a6a20b1de8e3228848f"
 dependencies = [
- "base64 0.12.0",
+ "base64 0.12.1",
  "bitflags",
  "bytes",
  "headers-core",
@@ -595,9 +599,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.10"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "725cf19794cf90aa94e65050cb4191ff5d8fa87a498383774c47b332e3af952e"
+checksum = "61565ff7aaace3525556587bd2dc31d4a07071957be715e63ce7b1eccf51a8f4"
 dependencies = [
  "libc",
 ]
@@ -661,9 +665,9 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.13.4"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed6081100e960d9d74734659ffc9cc91daf1c0fc7aceb8eaa94ee1a3f5046f2e"
+checksum = "96816e1d921eca64d208a85aab4f7798455a8e34229ee5a88c935bdee1b78b14"
 dependencies = [
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  "futures-channel",
@@ -696,9 +700,9 @@ dependencies = [
 
 [[package]]
 name = "image"
-version = "0.23.3"
+version = "0.23.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfc5483f8d5afd3653b38a196c52294dcb239c3e1a5bade1990353ea13bcf387"
+checksum = "9117f4167a8f21fa2bb3f17a652a760acd7572645281c98e3b612a26242c96ee"
 dependencies = [
  "bytemuck",
  "byteorder",
@@ -769,9 +773,9 @@ checksum = "b8b7a7c0c47db5545ed3fef7468ee7bb5b74691498139e4b3f6a20685dc6dd8e"
 
 [[package]]
 name = "jpeg-decoder"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0256f0aec7352539102a9efbcb75543227b7ab1117e0f95450023af730128451"
+checksum = "5b47b4c4e017b01abdc5bcc126d2d1002e5a75bbe3ce73f9f4f311a916363704"
 dependencies = [
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  "rayon",
@@ -795,15 +799,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.68"
+version = "0.2.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dea0c0405123bba743ee3f91f49b1c7cfb684eef0da0a50110f758ccf24cdff0"
+checksum = "3baa92041a6fec78c687fa0cc2b3fae8884f743d672cf551bed1d6dac6988d0f"
 
 [[package]]
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-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79b2de95ecb4691949fea4716ca53cdbcfccb2c612e19644a8bad05edcf9f47b"
+checksum = "c4da24a77a3d8a6d4862d95f72e6fdb9c09a643ecdb402d754004a557f2bec75"
 dependencies = [
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 ]
@@ -928,9 +932,9 @@ dependencies = [
 
 [[package]]
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-version = "0.6.21"
+version = "0.6.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "302dec22bcf6bae6dfb69c647187f4b4d0fb6f535521f7bc022430ce8e12008f"
+checksum = "fce347092656428bc8eaf6201042cb551b8d67855af7374542a92a0fbfcac430"
 dependencies = [
  "cfg-if",
  "fuchsia-zircon",
@@ -959,9 +963,9 @@ dependencies = [
 
 [[package]]
 name = "mio-uds"
-version = "0.6.7"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "966257a94e196b11bb43aca423754d87429960a768de9414f3691d6957abf125"
+checksum = "afcb699eb26d4332647cc848492bbc15eafb26f08d0304550d5aa1f612e066f0"
 dependencies = [
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@@ -1010,9 +1014,9 @@ dependencies = [
 
 [[package]]
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-version = "0.2.33"
+version = "0.2.34"
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-checksum = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
+checksum = "2ba7c918ac76704fb42afcbbb43891e72731f3dcca3bef2a19786297baf14af7"
 dependencies = [
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  "libc",
@@ -1072,14 +1076,26 @@ dependencies = [
 
 [[package]]
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-version = "1.12.0"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46203554f085ff89c235cd12f7075f3233af9b11ed7c9e16dfe2560d03313ce6"
+checksum = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
 dependencies = [
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  "libc",
 ]
 
+[[package]]
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+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cbca9424c482ee628fa549d9c812e2cd22f1180b9222c9200fdfa6eb31aecb2"
+
+[[package]]
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+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b631f7e854af39a1739f401cf34a8a013dfe09eac4fa4dba91e9768bd28168d"
+
 [[package]]
 name = "opaque-debug"
 version = "0.2.3"
@@ -1102,9 +1118,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.10.0"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92e98c49ab0b7ce5b222f2cc9193fc4efe11c6d0bd4f648e374684a6857b1cfc"
+checksum = "d3a704eb390aafdc107b0e392f56a82b668e3a71366993b5340f5833fd62505e"
 dependencies = [
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@@ -1112,9 +1128,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7582838484df45743c8434fbff785e8edf260c28748353d44bc0da32e0ceabf1"
+checksum = "d58c7c768d4ba344e3e8d72518ac13e259d7c7ade24167003b8488e10b6740a3"
 dependencies = [
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  "cloudabi",
@@ -1190,23 +1206,23 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
 dependencies = [
- "siphasher 0.3.2",
+ "siphasher 0.3.3",
 ]
 
 [[package]]
 name = "pin-project"
-version = "0.4.8"
+version = "0.4.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7804a463a8d9572f13453c516a5faea534a2403d7ced2f0c7e100eeff072772c"
+checksum = "81d480cb4e89522ccda96d0eed9af94180b7a5f93fb28f66e1fd7d68431663d1"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "0.4.8"
+version = "0.4.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "385322a45f2ecf3410c68d2a549a4a2685e8051d0f278e39743ff4e451cb9b3f"
+checksum = "a82996f11efccb19b685b14b5df818de31c1edcee3daa256ab5775dd98e72feb"
 dependencies = [
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  "quote",
@@ -1215,21 +1231,21 @@ dependencies = [
 
 [[package]]
 name = "pin-project-lite"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "237844750cfbb86f67afe27eee600dfbbcb6188d734139b534cbfbf4f96792ae"
+checksum = "f7505eeebd78492e0f6108f7171c4948dbb120ee8119d9d77d0afa5469bef67f"
 
 [[package]]
 name = "pin-utils"
-version = "0.1.0-alpha.4"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5894c618ce612a3fa23881b152b608bafb8c56cfc22f434a3ba3120b40f7b587"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "png"
-version = "0.16.2"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "910f09135b1ed14bb16be445a8c23ddf0777eca485fbfc7cee00d81fecab158a"
+checksum = "2c68a431ed29933a4eb5709aca9800989758c97759345860fa5db3cfced0b65d"
 dependencies = [
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  "crc32fast",
@@ -1243,7 +1259,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f611afe4d1407ebe7f3ced1ffc66f730fac1b1c13085e230a8cdcb921e97710"
 dependencies = [
- "base64 0.12.0",
+ "base64 0.12.1",
  "byteorder",
  "bytes",
  "fallible-iterator",
@@ -1296,9 +1312,9 @@ checksum = "8e946095f9d3ed29ec38de908c22f95d9ac008e424c7bcae54c75a79c527c694"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.10"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df246d292ff63439fea9bc8c0a270bed0e390d5ebd4db4ba15aba81111b5abe3"
+checksum = "8872cf6f48eee44265156c111456a700ab3483686b3f96df4cf5481c89157319"
 dependencies = [
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 ]
@@ -1319,9 +1335,9 @@ dependencies = [
 
 [[package]]
 name = "protobuf"
-version = "2.12.0"
+version = "2.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71964f34fd51cf04882d7ae3325fa0794d4cad66a03d0003f38d8ae4f63ba126"
+checksum = "8e86d370532557ae7573551a1ec8235a0f8d6cb276c7c9e6aa490b511c447485"
 
 [[package]]
 name = "quick-error"
@@ -1331,9 +1347,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.3"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bdc6c187c65bca4260c9011c9e3132efe4909da44726bad24cf7572ae338d7f"
+checksum = "42934bc9c8ab0d3b273a16d8551c8f0fcff46be73276ca083ec2414c15c4ba5e"
 dependencies = [
  "proc-macro2",
 ]
@@ -1526,9 +1542,9 @@ checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 
 [[package]]
 name = "regex"
-version = "1.3.6"
+version = "1.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f6946991529684867e47d86474e3a6d0c0ab9b82d5821e314b1ede31fa3a4b3"
+checksum = "a6020f034922e3194c711b82a627453881bc4682166cabb07134a10c26ba7692"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1618,9 +1634,9 @@ dependencies = [
 
 [[package]]
 name = "ryu"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "535622e6be132bccd223f4bb2b8ac8d53cda3c7a6394944d3b2b33fb974f9d76"
+checksum = "ed3d612bc64430efeb3f7ee6ef26d590dce0c43249217bddc62112540c7941e1"
 
 [[package]]
 name = "safemem"
@@ -1648,18 +1664,18 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "serde"
-version = "1.0.106"
+version = "1.0.110"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36df6ac6412072f67cf767ebbde4133a5b2e88e76dc6187fa7104cd16f783399"
+checksum = "99e7b308464d16b56eba9964e4972a3eee817760ab60d88c3f86e1fecb08204c"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.106"
+version = "1.0.110"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e549e3abf4fb8621bd1609f11dfc9f5e50320802273b12f3811a67e6716ea6c"
+checksum = "818fbf6bfa9a42d3bfcaca148547aa00c7b915bec71d1757aa2d44ca68771984"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1668,9 +1684,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.51"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da07b57ee2623368351e9a0488bb0b261322a15a6e0ae53e243cbdc0f4208da9"
+checksum = "993948e75b189211a9b31a7528f950c6adc21f9720b6438ff80a7fa2f864cea2"
 dependencies = [
  "itoa",
  "ryu",
@@ -1715,9 +1731,9 @@ dependencies = [
 
 [[package]]
 name = "sharded-slab"
-version = "0.0.8"
+version = "0.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae75d0445b5d3778c9da3d1f840faa16d0627c8607f78a74daf69e5b988c39a1"
+checksum = "06d5a3f5166fb5b42a5439f2eee8b9de149e235961e3eb21c5808fc3ea17ff3e"
 dependencies = [
  "lazy_static",
 ]
@@ -1740,9 +1756,9 @@ checksum = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
 
 [[package]]
 name = "siphasher"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e88f89a550c01e4cd809f3df4f52dc9e939f3273a2017eabd5c6d12fd98bb23"
+checksum = "fa8f3741c7372e75519bd9346068370c9cdaabcc1f9599cbcf2a2719352286b7"
 
 [[package]]
 name = "slab"
@@ -1752,9 +1768,9 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallvec"
-version = "1.2.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c2fb2ec9bcd216a5b0d0ccf31ab17b5ed1d627960edff65bbe95d3ce221cefc"
+checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
 
 [[package]]
 name = "socket2"
@@ -1798,9 +1814,9 @@ checksum = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
 
 [[package]]
 name = "syn"
-version = "1.0.17"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0df0eb663f387145cab623dea85b09c2c5b4b0aef44e945d928e682fce71bb03"
+checksum = "4696caa4048ac7ce2bcd2e484b3cef88c1004e41b8e945a277e2c25dc0b72060"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1862,20 +1878,19 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.42"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 dependencies = [
  "libc",
- "redox_syscall",
  "winapi 0.3.8",
 ]
 
 [[package]]
 name = "tokio"
-version = "0.2.16"
+version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee5a0dd887e37d37390c13ff8ac830f992307fe30a1fff0ab8427af67211ba28"
+checksum = "d099fa27b9702bed751524694adbe393e18b36b204da91eb1cbbbbb4a5ee2d58"
 dependencies = [
  "bytes",
  "fnv",
@@ -1908,9 +1923,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-postgres"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "524da2f17264514c854ac770177bdb810f0db7e706ae69f143d6e6828e3c4fe3"
+checksum = "d56010a704311361b7c9e870aaa4ddffaf9f2db89cbcf3e14773ac8a14469c9c"
 dependencies = [
  "async-trait",
  "byteorder",
@@ -1993,9 +2008,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-futures"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58b0b7fd92dc7b71f29623cc6836dd7200f32161a2313dd78be233a8405694f6"
+checksum = "ab7bb6f14721aa00656086e9335d363c5c8747bae02ebe32ea2c7dece5689b4c"
 dependencies = [
  "pin-project",
  "tracing",
@@ -2036,9 +2051,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfc50df245be6f0adf35c399cb16dea60e2c7d6cc83ff5dc22d727df06dd6f0c"
+checksum = "1d53c40489aa69c9aed21ff483f26886ca8403df33bdc2d2f87c60c1617826d2"
 dependencies = [
  "ansi_term",
  "chrono",
@@ -2125,9 +2140,9 @@ dependencies = [
 
 [[package]]
 name = "typenum"
-version = "1.11.2"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
+checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
 
 [[package]]
 name = "unicase"
@@ -2278,9 +2293,9 @@ checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
 [[package]]
 name = "winapi-util"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa515c5163a99cc82bab70fd3bfdd36d827be85de63737b40fcef2ce084a436e"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
  "winapi 0.3.8",
 ]
diff --git a/src/handlers.rs b/src/handlers.rs
index b5e7c20..fdeccaa 100644
--- a/src/handlers.rs
+++ b/src/handlers.rs
@@ -88,6 +88,7 @@ pub async fn search_image(
     let db = pool.get().await.map_err(map_bb8_err)?;
 
     rate_limit!(&api_key, &db, image_limit, "image");
+    rate_limit!(&api_key, &db, hash_limit, "hash");
 
     let (num, hash) = hash_input(form).await;
 
@@ -156,6 +157,7 @@ pub async fn stream_image(
     let db = pool.get().await.map_err(map_bb8_err)?;
 
     rate_limit!(&api_key, &db, image_limit, "image", 2);
+    rate_limit!(&api_key, &db, hash_limit, "hash");
 
     let (num, hash) = hash_input(form).await;
 
diff --git a/src/models.rs b/src/models.rs
index 7ccd435..ddd2893 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -14,6 +14,7 @@ pub async fn lookup_api_key(key: &str, db: DB<'_>) -> Option<ApiKey> {
             api_key.id,
             api_key.name_limit,
             api_key.image_limit,
+            api_key.hash_limit,
             api_key.name,
             account.email
         FROM
@@ -32,8 +33,9 @@ pub async fn lookup_api_key(key: &str, db: DB<'_>) -> Option<ApiKey> {
             id: row.get(0),
             name_limit: row.get(1),
             image_limit: row.get(2),
-            name: row.get(3),
-            owner_email: row.get(4),
+            hash_limit: row.get(3),
+            name: row.get(4),
+            owner_email: row.get(5),
         }),
         _ => None,
     }
diff --git a/src/types.rs b/src/types.rs
index fb529dc..5d266a0 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -11,6 +11,7 @@ pub struct ApiKey {
     pub owner_email: Option<String>,
     pub name_limit: i16,
     pub image_limit: i16,
+    pub hash_limit: i16,
 }
 
 /// The status of an API key's rate limit.