diff --git a/pkgs/development/libraries/umockdev/default.nix b/pkgs/development/libraries/umockdev/default.nix
index 38b36267ef34..662a1237e471 100644
--- a/pkgs/development/libraries/umockdev/default.nix
+++ b/pkgs/development/libraries/umockdev/default.nix
@@ -21,13 +21,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "umockdev";
-  version = "0.18.3";
+  version = "0.18.4";
 
   outputs = [ "bin" "out" "dev" "devdoc" ];
 
   src = fetchurl {
     url = "https://github.com/martinpitt/umockdev/releases/download/${finalAttrs.version}/umockdev-${finalAttrs.version}.tar.xz";
-    hash = "sha256-q6lcMjA3yELxYXkxJgIxuFV9EZqiiRy8qLgR/MVZKUo=";
+    hash = "sha256-EVMG8Xvnj4yZ4gZS4t7M3UjfOHNr8A609D/vw4CaMZw=";
   };
 
   patches = [