diff --git a/Cargo.lock b/Cargo.lock
index 04091bb..0a8e7ab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -519,12 +519,6 @@ dependencies = [
  "tiny-keccak",
 ]
 
-[[package]]
-name = "constant_time_eq"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c74b8349d32d297c9134b8c88677813a227df8f779daa29bfc29c183fe3dca6"
-
 [[package]]
 name = "constant_time_eq"
 version = "0.4.2"
@@ -1991,7 +1985,7 @@ dependencies = [
  "anyhow",
  "bytes",
  "config",
- "constant_time_eq 0.3.1",
+ "constant_time_eq",
  "dotenvy",
  "form_urlencoded",
  "futures",
@@ -3800,7 +3794,7 @@ checksum = "2d04a6b5381502aa6087c94c669499eb1602eb9c5e8198e534de571f7154809b"
 dependencies = [
  "aes",
  "bzip2",
- "constant_time_eq 0.4.2",
+ "constant_time_eq",
  "crc32fast",
  "deflate64",
  "flate2",
diff --git a/Cargo.toml b/Cargo.toml
index de17914..154ae19 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -61,7 +61,7 @@ metrics-exporter-prometheus = "0.16"
 
 # Security
 secrecy = { version = "0.10", features = ["serde"] }
-constant_time_eq = "0.3"
+constant_time_eq = "0.4"
 
 # Utilities
 futures = "0.3"