diff --git a/Cargo.lock b/Cargo.lock
index 377059ba220c0..f52d1e1e35424 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "Inflector"
 version = "0.11.4"
@@ -4832,7 +4834,7 @@ dependencies = [
  "pretty_assertions 0.7.2",
  "pwasm-utils",
  "rand 0.8.3",
- "rand_pcg 0.3.0",
+ "rand_pcg 0.3.1",
  "serde",
  "smallvec 1.6.1",
  "sp-core",
@@ -6518,9 +6520,9 @@ dependencies = [
 
 [[package]]
 name = "rand_pcg"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7de198537002b913568a3847e53535ace266f93526caf5c360ec41d72c5787f0"
+checksum = "59cad018caf63deb318e5a4586d99a24424a364f40f1e5778c29aca23f4fc73e"
 dependencies = [
  "rand_core 0.6.2",
 ]