diff --git a/pkgs/development/libraries/glibmm/default.nix b/pkgs/development/libraries/glibmm/default.nix
index 6dcb6b3296aa..dff122d38d12 100644
--- a/pkgs/development/libraries/glibmm/default.nix
+++ b/pkgs/development/libraries/glibmm/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "glibmm";
-  version = "2.62.0";
+  version = "2.64.2";
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "1ziwx6r7k7wbvg4qq1rgrv8zninapgrmhn1hs6926a3krh9ryr9n";
+    sha256 = "1v6lp23fr2qh4zshcnm28sn29j3nzgsvcqj2nhmrnvamipjq4lm7";
   };
 
   outputs = [ "out" "dev" ];