diff --git a/auth/src/opaque.rs b/auth/src/opaque.rs
index 2371c0a..7648d58 100644
--- a/auth/src/opaque.rs
+++ b/auth/src/opaque.rs
@@ -27,7 +27,7 @@ impl ArgonHasher {
         mem_cost: 50 * 1024, // 50 MB, in KB
         secret: &[],
         thread_mode: argon2::ThreadMode::Sequential,
-        time_cost: 5,
+        time_cost: 1,
         variant: argon2::Variant::Argon2id,
         version: argon2::Version::Version13,
     };