diff --git a/Cargo.lock b/Cargo.lock
index 8d7cc1c4..7e1f5617 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -294,9 +294,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.5.4"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28f85c3514d2a6e64160359b45a3918c3b4178bcbf4ae5d03ab2d02e521c479a"
+checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
 dependencies = [
  "generic-array",
  "rand_core 0.6.4",
@@ -476,7 +476,7 @@ version = "0.13.8"
 dependencies = [
  "base16ct 0.2.0",
  "base64ct",
- "crypto-bigint 0.5.4",
+ "crypto-bigint 0.5.5",
  "digest 0.10.7",
  "ff 0.13.0",
  "generic-array",