diff --git a/Cargo.lock b/Cargo.lock
index 0b0acc3..fa274da 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -36,9 +36,9 @@ version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "750b1c38a1dfadd108da0f01c08f4cdc7ff1bb39b325f9c82cc972361780a6e1"
 dependencies = [
- "proc-macro2 1.0.8",
- "quote 1.0.2",
- "syn 1.0.14",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -66,9 +66,9 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "backtrace"
-version = "0.3.43"
+version = "0.3.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f80256bc78f67e7df7e36d77366f636ed976895d91fe2ab9efa3973e8fe8c4f"
+checksum = "e4036b9bf40f3cf16aba72a3d65e8a520fc4bafcdc7079aea8f848c58c5b5536"
 dependencies = [
  "backtrace-sys",
  "cfg-if",
@@ -86,15 +86,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "base64"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "base64"
 version = "0.11.0"
@@ -175,10 +166,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 
 [[package]]
-name = "byteorder"
-version = "1.3.2"
+name = "bytemuck"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
+checksum = "37fa13df2292ecb479ec23aa06f4507928bef07839be9ef15281411076629431"
+
+[[package]]
+name = "byteorder"
+version = "1.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "bytes"
@@ -412,9 +409,9 @@ checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
 [[package]]
 name = "futures"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad6636318d07abeb4656157ef1936c64485f066c7f9ce5d7c5b879fcb6dd5ccb"
+checksum = "5c329ae8753502fb44ae4fc2b622fa2a94652c41e795143765ba0927f92ab780"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -427,9 +424,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7264eb65b194d2fa6ec31b898ead7c332854bfa42521659226e72a585fca5b85"
+checksum = "f0c77d04ce8edd9cb903932b608268b3fffec4163dc053b3b402bf47eac1f1a8"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -437,15 +434,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b597b16aa1a19ce2dfde5128a7c656d75346b35601a640be2d9efd4e9c83609d"
+checksum = "f25592f769825e89b92358db00d26f965761e094951ac44d3663ef25b7ac464a"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46a5e593d77bee52393c7f3b16b8b413214096d3f7dc4f5f4c57dee01ad2bdaf"
+checksum = "f674f3e1bcb15b37284a90cedf55afdba482ab061c407a9c0ebbd0f3109741ba"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -454,39 +451,39 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d429f824b5e5dbd45fc8e54e1005a37e1f8c6d570cd64d0b59b24d3a80b8b8e"
+checksum = "a638959aa96152c7a4cddf50fcb1e3fede0583b27157c26e67d6f99904090dc6"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d75b72904b78044e0091355fc49d29f48bff07a68a719a41cf059711e071b4"
+checksum = "9a5081aa3de1f7542a794a397cde100ed903b0630152d0973479018fd85423a7"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2 1.0.8",
- "quote 1.0.2",
- "syn 1.0.14",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
 name = "futures-sink"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04299e123547ea7c56f3e1b376703142f5fc0b6700433eed549e9d0b8a75a66c"
+checksum = "3466821b4bc114d95b087b850a724c6f83115e929bc88f1fa98a3304a944c8a6"
 
 [[package]]
 name = "futures-task"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86f9ceab4bce46555ee608b1ec7c414d6b2e76e196ef46fa5a8d4815a8571398"
+checksum = "7b0a34e53cf6cdcd0178aa573aed466b646eb3db769570841fda0c7ede375a27"
 
 [[package]]
 name = "futures-util"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d2f1296f7644d2cd908ebb2fa74645608e39f117c72bac251d40418c6d74c4f"
+checksum = "22766cf25d64306bedf0384da004d05c9974ab104fcc4528f1236181c18004c5"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -597,7 +594,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a72b4bd7cbbf0c22190e82f02517f456a6b9be24c25a6827b5802e478b8c2d70"
 dependencies = [
- "base64 0.11.0",
+ "base64",
  "bitflags",
  "bytes 0.5.4",
  "headers-core",
@@ -618,9 +615,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eff2656d88f158ce120947499e971d743c05dbcbed62e5bd2f38f1698bbc3772"
+checksum = "e2c55f143919fbc0bc77e427fe2d74cf23786d7c1875666f2fde3ac3c659bb67"
 dependencies = [
  "libc",
 ]
@@ -730,10 +727,11 @@ dependencies = [
 
 [[package]]
 name = "image"
-version = "0.22.4"
+version = "0.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53cb19c4e35102e5c6fb9ade5e0e236c5588424dc171a849af3141bf0b47768a"
+checksum = "ef4e336ec01a678e7ab692914c641181528e8656451e6252f8f9e33728882eaf"
 dependencies = [
+ "bytemuck",
  "byteorder",
  "gif",
  "jpeg-decoder",
@@ -747,22 +745,22 @@ dependencies = [
 
 [[package]]
 name = "img_hash"
-version = "3.0.0"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d09964740f86ba94588bc9707722c5ff324b1648c92811c62b729fddacc996d"
+checksum = "8df6c5bc88f37a165c63143e38924f691246fc77f12de0cbd126fe0c8ca3527b"
 dependencies = [
- "base64 0.10.1",
+ "base64",
  "image",
  "rustdct",
  "serde",
- "transpose",
+ "transpose 0.2.0",
 ]
 
 [[package]]
 name = "indexmap"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b54058f0a6ff80b6803da8faf8997cde53872b38f4023728f6830b06cd3c0dc"
+checksum = "076f042c5b7b98f31d205f1249267e12a6518c1481e9dae9764af19b707d2292"
 dependencies = [
  "autocfg 1.0.0",
 ]
@@ -894,9 +892,9 @@ checksum = "490cc448043f947bae3cbee9c203358d62dbee0db12107a74be5c30ccfd09771"
 
 [[package]]
 name = "memchr"
-version = "2.3.0"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3197e20c7edb283f87c071ddfc7a2cca8f8e0b888c242959846a6fce03c72223"
+checksum = "53445de381a1f436797497c61d851644d0e8e88e6140f22872ad33a704933978"
 
 [[package]]
 name = "memoffset"
@@ -944,6 +942,15 @@ dependencies = [
  "unicase 2.6.0",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa679ff6578b1cddee93d7e82e263b94a575e0bfced07284eb0c037c1d2416a5"
+dependencies = [
+ "adler32",
+]
+
 [[package]]
 name = "mio"
 version = "0.6.21"
@@ -1039,23 +1046,12 @@ dependencies = [
 
 [[package]]
 name = "num-complex"
-version = "0.1.43"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b288631d7878aaf59442cffd36910ea604ecd7745c36054328595114001c9656"
+checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
 dependencies = [
+ "autocfg 1.0.0",
  "num-traits",
- "rustc-serialize",
-]
-
-[[package]]
-name = "num-derive"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eafd0b45c5537c3ba526f79d3e75120036502bebacbb3f3220914067ce39dbf2"
-dependencies = [
- "proc-macro2 0.4.30",
- "quote 0.6.13",
- "syn 0.15.44",
 ]
 
 [[package]]
@@ -1237,9 +1233,9 @@ version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "385322a45f2ecf3410c68d2a549a4a2685e8051d0f278e39743ff4e451cb9b3f"
 dependencies = [
- "proc-macro2 1.0.8",
- "quote 1.0.2",
- "syn 1.0.14",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -1272,7 +1268,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a30f0e172ae0fb0653dbf777ad10a74b8e58d6de95a892f2e1d3e94a9df9a844"
 dependencies = [
- "base64 0.11.0",
+ "base64",
  "byteorder",
  "bytes 0.5.4",
  "fallible-iterator",
@@ -1318,9 +1314,9 @@ version = "0.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ecd45702f76d6d3c75a80564378ae228a85f0b59d2f3ed43c91b4a69eb2ebfc5"
 dependencies = [
- "proc-macro2 1.0.8",
- "quote 1.0.2",
- "syn 1.0.14",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -1329,22 +1325,13 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "369a6ed065f249a159e06c45752c780bda2fb53c995718f9e484d08daa9eb42e"
 
-[[package]]
-name = "proc-macro2"
-version = "0.4.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
-dependencies = [
- "unicode-xid 0.1.0",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3acb317c6ff86a4e579dfa00fc5e6cca91ecbb4e7eb2df0468805b674eb88548"
 dependencies = [
- "unicode-xid 0.2.0",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -1373,22 +1360,13 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
-[[package]]
-name = "quote"
-version = "0.6.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
-dependencies = [
- "proc-macro2 0.4.30",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
 dependencies = [
- "proc-macro2 1.0.8",
+ "proc-macro2",
 ]
 
 [[package]]
@@ -1621,12 +1599,6 @@ version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 
-[[package]]
-name = "rustc-serialize"
-version = "0.3.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
-
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -1638,22 +1610,24 @@ dependencies = [
 
 [[package]]
 name = "rustdct"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0f7856a89272b7bb9e8b1dee289efba95d7a5409a8b819a2257ce894b195708"
+checksum = "ef4d167674b4cf68c2114bdbcd34c95aa9071652b73b0f43b19298f1d2780b7d"
 dependencies = [
  "rustfft",
 ]
 
 [[package]]
 name = "rustfft"
-version = "2.1.0"
+version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6b39b62db1c690e4fd12d91b81893ba318327fb03da6a3ae28505d265c4cdf6"
+checksum = "77008ed59a8923c8b4ac2e5eaa6d28fbe893d3b9515098a4a5fc7767d6430fe5"
 dependencies = [
  "num-complex",
  "num-integer",
  "num-traits",
+ "strength_reduce",
+ "transpose 0.1.0",
 ]
 
 [[package]]
@@ -1709,9 +1683,9 @@ checksum = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
 
 [[package]]
 name = "scopeguard"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "semver"
@@ -1743,16 +1717,16 @@ version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
 dependencies = [
- "proc-macro2 1.0.8",
- "quote 1.0.2",
- "syn 1.0.14",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.46"
+version = "1.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21b01d7f0288608a01dca632cf1df859df6fd6ffa885300fc275ce2ba6221953"
+checksum = "9371ade75d4c2d6cb154141b9752cf3781ec9c05e0e5cf35060e1e70ee7b9c25"
 dependencies = [
  "itoa",
  "ryu",
@@ -1856,6 +1830,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "strength_reduce"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3ff2f71c82567c565ba4b3009a9350a96a7269eaa4001ebedae926230bc2254"
+
 [[package]]
 name = "stringprep"
 version = "0.1.2"
@@ -1872,26 +1852,15 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
 
-[[package]]
-name = "syn"
-version = "0.15.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
-dependencies = [
- "proc-macro2 0.4.30",
- "quote 0.6.13",
- "unicode-xid 0.1.0",
-]
-
 [[package]]
 name = "syn"
 version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af6f3550d8dff9ef7dc34d384ac6f107e5d31c8f57d9f28e0081503f547ac8f5"
 dependencies = [
- "proc-macro2 1.0.8",
- "quote 1.0.2",
- "unicode-xid 0.2.0",
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -1938,14 +1907,13 @@ dependencies = [
 
 [[package]]
 name = "tiff"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7b7c2cfc4742bd8a32f2e614339dd8ce30dbcf676bb262bd63a2327bc5df57d"
+checksum = "002351e428db1eb1d8656d4ca61947c3519ac3191e1c804d4600cd32093b77ad"
 dependencies = [
  "byteorder",
  "lzw",
- "num-derive",
- "num-traits",
+ "miniz_oxide",
 ]
 
 [[package]]
@@ -1989,9 +1957,9 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4b1e7ed7d5d4c2af3d999904b0eebe76544897cdbfb2b9684bed2174ab20f7c"
 dependencies = [
- "proc-macro2 1.0.8",
- "quote 1.0.2",
- "syn 1.0.14",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -2053,8 +2021,8 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04cfd395def5a60236e187e1ff905cb55668a59f29928dec05e6e1b1fd2ac1f3"
 dependencies = [
- "quote 1.0.2",
- "syn 1.0.14",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -2068,9 +2036,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-futures"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33848db47a7c848ab48b66aab3293cb9c61ea879a3586ecfcd17302fcea0baf1"
+checksum = "58b6233e421bf43203d36a8cd430acd24a75bed39832b0e07bec24541f9759e9"
 dependencies = [
  "pin-project",
  "tracing",
@@ -2111,9 +2079,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25dc36e47794112347ccb9ae8a05b5ec4fab45f01545e4929323cdb1a543a8f4"
+checksum = "c6bbfcf5ab0799649189b0df4bd7f730f1929a3846d33ae56cb0ad6e0bbdad09"
 dependencies = [
  "ansi_term",
  "chrono",
@@ -2144,8 +2112,8 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edcf0b9b2caa5f4804ef77aeee1b929629853d806117c48258f402b69737e65c"
 dependencies = [
- "quote 1.0.2",
- "syn 1.0.14",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -2154,6 +2122,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "643e21580bb0627c7bb09e5cedbb42c8705b19d012de593ed6b0309270b3cd1e"
 
+[[package]]
+name = "transpose"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3311ef71dea6a1fd6bf5bfc10ec5b4bef6174048f6b481dbc6ce915ff48c0a0"
+dependencies = [
+ "num-integer",
+ "strength_reduce",
+]
+
 [[package]]
 name = "try-lock"
 version = "0.2.2"
@@ -2166,7 +2144,7 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a0c2bd5aeb7dcd2bb32e472c8872759308495e5eccc942e929a513cd8d36110"
 dependencies = [
- "base64 0.11.0",
+ "base64",
  "byteorder",
  "bytes 0.4.12",
  "http 0.1.21",
@@ -2230,12 +2208,6 @@ dependencies = [
  "smallvec",
 ]
 
-[[package]]
-name = "unicode-xid"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.0"
diff --git a/Cargo.toml b/Cargo.toml
index 13c6293..dc6645b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ bb8 = "0.4"
 bb8-postgres = "0.4"
 
 img_hash = "3"
-image = "0.22"
+image = "0.23"
 hamming = "0.1"
 
 bk-tree = "0.3"