diff --git a/pkgs/by-name/cp/cpp-utilities/package.nix b/pkgs/by-name/cp/cpp-utilities/package.nix
index 92aaba102610..99fe58138ad9 100644
--- a/pkgs/by-name/cp/cpp-utilities/package.nix
+++ b/pkgs/by-name/cp/cpp-utilities/package.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "cpp-utilities";
-  version = "5.31.0";
+  version = "5.31.1";
 
   src = fetchFromGitHub {
     owner = "Martchus";
     repo = "cpp-utilities";
     rev = "v${finalAttrs.version}";
-    sha256 = "sha256-UjF1b1LCPwrUzqVZNbtX+5eFAzc6NgLyBzTcNHNlkvs=";
+    sha256 = "sha256-HpzcGHDudVFmkVfkn5YpAATKfZ3FpIKXfqhpjpehK1M=";
   };
 
   nativeBuildInputs = [ cmake ];