diff --git a/pkgs/development/libraries/gcr/default.nix b/pkgs/development/libraries/gcr/default.nix
index a057dc6c1cc..57323bbc70d 100644
--- a/pkgs/development/libraries/gcr/default.nix
+++ b/pkgs/development/libraries/gcr/default.nix
@@ -22,11 +22,11 @@
 
 stdenv.mkDerivation rec {
   pname = "gcr";
-  version = "3.38.1";
+  version = "3.40.0";
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "F/yvnEqTpl+xxyuCZDuxAsEzRAhGh9WIbqZjE4aNnsk=";
+    sha256 = "udNkWl/ZU6VChcxk1PwEZzZGPb1NzCXK9ce1m+0wJ/U=";
   };
 
   postPatch = ''