diff --git a/Cargo.lock b/Cargo.lock
index f73c1ab71d..f4bc4a6a1e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -650,15 +650,6 @@ dependencies = [
  "bytes 0.5.4",
 ]
 
-[[package]]
-name = "c2-chacha"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "214238caa1bf3a496ec3392968969cab8549f96ff30652c9e56885329315f6bb"
-dependencies = [
- "ppv-lite86",
-]
-
 [[package]]
 name = "cardano-legacy-address"
 version = "0.1.1"
@@ -734,7 +725,7 @@ dependencies = [
  "generic-array 0.13.2",
  "hex",
  "quickcheck",
- "rand_chacha 0.2.1",
+ "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "sha2 0.8.1",
  "typed-bytes",
@@ -756,7 +747,7 @@ dependencies = [
  "lazy_static",
  "quickcheck",
  "quickcheck_macros",
- "rand_chacha 0.2.1",
+ "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "sparse-array",
  "strum",
@@ -1959,7 +1950,7 @@ dependencies = [
  "mktemp",
  "openapiv3",
  "rand 0.7.3",
- "rand_chacha 0.2.1",
+ "rand_chacha 0.2.2",
  "reqwest 0.9.24",
  "serde",
  "serde_derive",
@@ -2068,7 +2059,7 @@ dependencies = [
  "protoc-rust",
  "quickcheck",
  "rand 0.7.3",
- "rand_chacha 0.2.1",
+ "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "regex",
  "reqwest 0.9.24",
@@ -2100,7 +2091,7 @@ dependencies = [
  "poldercast",
  "quickcheck",
  "rand 0.7.3",
- "rand_chacha 0.2.1",
+ "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "serde",
  "serde_yaml",
@@ -2129,7 +2120,7 @@ dependencies = [
  "mktemp",
  "poldercast",
  "rand 0.7.3",
- "rand_chacha 0.2.1",
+ "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "regex",
  "reqwest 0.9.24",
@@ -3163,7 +3154,7 @@ checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
  "getrandom",
  "libc",
- "rand_chacha 0.2.1",
+ "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "rand_hc 0.2.0",
  "rand_pcg 0.2.1",
@@ -3181,11 +3172,11 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03a2a90da8c7523f554344f921aa97283eadf6ac484a6d2a7d0212fa7f8d6853"
+checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
- "c2-chacha",
+ "ppv-lite86",
  "rand_core 0.5.1",
 ]