diff --git a/pkgs/development/libraries/protobuf/3.18.nix b/pkgs/development/libraries/protobuf/3.18.nix
index c670b56c7c5..63fc9b218d3 100644
--- a/pkgs/development/libraries/protobuf/3.18.nix
+++ b/pkgs/development/libraries/protobuf/3.18.nix
@@ -1,6 +1,6 @@
 { callPackage, ... }:
 
 callPackage ./generic-v3.nix {
-  version = "3.18.0";
-  sha256 = "0nhjw4m4dm6wqwwsi0b18js5wbh3ibrpsq195g6mk9cx54fx097f";
+  version = "3.18.1";
+  sha256 = "sha256-5PK0uuk7Du9hX/hHy0gninHIKu6b8THdfVh87Gn7y2Q=";
 }