diff --git a/pkgs/development/libraries/gtk+/3.x.nix b/pkgs/development/libraries/gtk+/3.x.nix
index bf63c9425ae7..d21fef3e6746 100644
--- a/pkgs/development/libraries/gtk+/3.x.nix
+++ b/pkgs/development/libraries/gtk+/3.x.nix
@@ -13,7 +13,7 @@ with stdenv.lib;
 
 let
   ver_maj = "3.22";
-  ver_min = "7";
+  ver_min = "8";
   version = "${ver_maj}.${ver_min}";
 in
 stdenv.mkDerivation rec {
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://gnome/sources/gtk+/${ver_maj}/gtk+-${version}.tar.xz";
-    sha256 = "a3a27564bfb1679ebbc75c37cd2bcd6e727c8bdfbcd3984d29305bf9ee60d432";
+    sha256 = "c7254a88df5c17e9609cee9e848c3d0104512707edad4c3b4f256b131f8d3af1";
   };
 
   outputs = [ "out" "dev" ];