1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/gtkmm/3.x.nix b/pkgs/development/libraries/gtkmm/3.x.nix
index 37b1f816923e..8b2383f33cce 100644
--- a/pkgs/development/libraries/gtkmm/3.x.nix
+++ b/pkgs/development/libraries/gtkmm/3.x.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, pkgconfig, gtk3, glibmm, cairomm, pangomm, atkmm, epoxy }:
 
 let
-  ver_maj = "3.20";
+  ver_maj = "3.22";
   ver_min = "0";
 in
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://gnome/sources/gtkmm/${ver_maj}/${name}.tar.xz";
-    sha256 = "12h2kd22iayvjfhmgjccm33igrbvqdj7hym31fsa1y0dhwzmf8gh";
+    sha256 = "05da4d4b628fb20c8384630ddf478a3b5562952b2d6181fe28d58f6cbc0514f5";
   };
 
   nativeBuildInputs = [ pkgconfig ];