diff --git a/Cargo.lock b/Cargo.lock
index 014497d..b9720d4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -408,9 +408,9 @@ checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
 
 [[package]]
 name = "constant_time_eq"
-version = "0.2.4"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3ad85c1f65dc7b37604eb0e89748faf0b9653065f2a8ef69f96a687ec1e9279"
+checksum = "cf2bfb8b8661ac66cf4305b62ac89f6b9b557b72317a941aea6f358d7d28ea93"
 
 [[package]]
 name = "core-foundation"
@@ -1299,7 +1299,7 @@ dependencies = [
  "bloom",
  "bumpalo",
  "bytes",
- "constant_time_eq 0.2.4",
+ "constant_time_eq 0.4.0",
  "foundationdb",
  "futures",
  "heapless",
diff --git a/mvstore/Cargo.toml b/mvstore/Cargo.toml
index f80e0ec..79ef54f 100644
--- a/mvstore/Cargo.toml
+++ b/mvstore/Cargo.toml
@@ -42,7 +42,7 @@ serde_bytes = "0.11"
 zstd = "0.11.2"
 moka = { version = "0.9.4", features = ["future"] }
 bloom = "0.3.2"
-constant_time_eq = "0.2.4"
+constant_time_eq = "0.4.0"
 heapless = { version = "0.7", features = ["serde"] }
 lmdb-rkv = "0.14.0"
 bumpalo = "3.11.1"