diff --git a/cumulus/Cargo.lock b/cumulus/Cargo.lock
index 4d50a7cb54..6f751d8cb3 100644
--- a/cumulus/Cargo.lock
+++ b/cumulus/Cargo.lock
@@ -563,13 +563,13 @@ dependencies = [
 
 [[package]]
 name = "blake2b_simd"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72936ee4afc7f8f736d1c38383b56480b5497b4617b4a77bdbf1d2ababc76127"
+checksum = "3c2f0dc9a68c6317d884f97cc36cf5a3d20ba14ce404227df55e1af708ab04bc"
 dependencies = [
  "arrayref",
  "arrayvec 0.7.2",
- "constant_time_eq",
+ "constant_time_eq 0.2.4",
 ]
 
 [[package]]
@@ -580,7 +580,7 @@ checksum = "db539cc2b5f6003621f1cd9ef92d7ded8ea5232c7de0f9faa2de251cd98730d4"
 dependencies = [
  "arrayref",
  "arrayvec 0.7.2",
- "constant_time_eq",
+ "constant_time_eq 0.1.5",
 ]
 
 [[package]]
@@ -593,7 +593,7 @@ dependencies = [
  "arrayvec 0.7.2",
  "cc",
  "cfg-if",
- "constant_time_eq",
+ "constant_time_eq 0.1.5",
  "digest 0.10.3",
 ]
 
@@ -1338,6 +1338,12 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
 
+[[package]]
+name = "constant_time_eq"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3ad85c1f65dc7b37604eb0e89748faf0b9653065f2a8ef69f96a687ec1e9279"
+
 [[package]]
 name = "contracts-rococo-runtime"
 version = "0.2.0"