diff --git a/Cargo.lock b/Cargo.lock
index c88e6cbe..39a633f1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -833,9 +833,9 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.4.6"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
+checksum = "7032fbb7ef662c18e806aa75b311f68ddf5c94e8fc62832c0039d79095ab6abf"
 dependencies = [
  "num-integer",
  "num-traits",
@@ -1412,7 +1412,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
 dependencies = [
  "fastrand",
- "getrandom 0.3.4",
+ "getrandom 0.4.3",
  "once_cell",
  "rustix",
  "windows-sys",
diff --git a/slh-dsa/Cargo.toml b/slh-dsa/Cargo.toml
index 9cb850e6..642781f7 100644
--- a/slh-dsa/Cargo.toml
+++ b/slh-dsa/Cargo.toml
@@ -38,7 +38,7 @@ cipher = "0.5"
 ctr = "0.10.0-rc.3"
 hex = { version = "0.4.1", features = ["serde"] }
 hex-literal = "1"
-num-bigint = "0.4.4"
+num-bigint = "0.5.0"
 paste = "1.0.15"
 pkcs8 = { version = "0.11", features = ["pem"] }
 proptest = "1.11.0"