diff --git a/Cargo.lock b/Cargo.lock
index 26d93930..a8ea8705 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1395,30 +1395,28 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
+checksum = "c165a9ab64cf766f73521c0dd2cfdff64f488b8f0b3e621face3462d3db536d7"
 dependencies = [
- "autocfg",
  "num-integer",
  "num-traits",
 ]
 
 [[package]]
 name = "num-integer"
-version = "0.1.45"
+version = "0.1.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
 dependencies = [
- "autocfg",
  "num-traits",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.2.16"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
 dependencies = [
  "autocfg",
 ]
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 8a69540b..9312582e 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -32,7 +32,7 @@ base64 = "^0.21"
 hex = "^0.4.3"
 lazy_static = "^1.4"
 maplit = "^1.0.2"
-num-bigint = "^0.4.4"
+num-bigint = "^0.4.5"
 tempfile = "^3.3"
 tink-aead = "^0.2"
 tink-awskms = "^0.2"