diff --git a/pkgs/development/libraries/gtk+/2.x.nix b/pkgs/development/libraries/gtk+/2.x.nix
index c8224fa18e6d..62f754c148ea 100644
--- a/pkgs/development/libraries/gtk+/2.x.nix
+++ b/pkgs/development/libraries/gtk+/2.x.nix
@@ -8,11 +8,11 @@ assert xineramaSupport -> xlibs.libXinerama != null;
 assert cupsSupport -> cups != null;
 
 stdenv.mkDerivation rec {
-  name = "gtk+-2.24.17";
+  name = "gtk+-2.24.18";
 
   src = fetchurl {
     url = "mirror://gnome/sources/gtk+/2.24/${name}.tar.xz";
-    sha256 = "05gl82k82w3gjrzr4vmj3ski7mp1b0jbhc49wgl9hv8mc2sb4iz9";
+    sha256 = "1193frzg0qrwa885w77kd055zfpbdjwby88xn2skpx9g4w0k35kc";
   };
 
   enableParallelBuilding = true;
diff --git a/pkgs/development/libraries/gtk+/3-default.nix b/pkgs/development/libraries/gtk+/3-default.nix
index 1b296e2c3985..86bd4474c7a2 100644
--- a/pkgs/development/libraries/gtk+/3-default.nix
+++ b/pkgs/development/libraries/gtk+/3-default.nix
@@ -8,11 +8,11 @@ assert xineramaSupport -> xlibs.libXinerama != null;
 assert cupsSupport -> cups != null;
 
 stdenv.mkDerivation rec {
-  name = "gtk+-3.8.0";
+  name = "gtk+-3.8.2";
 
   src = fetchurl {
     url = "mirror://gnome/sources/gtk+/3.8/${name}.tar.xz";
-    sha256 = "0bi5dip7l6d08c6v9c9aipwsi8hq38xjljqv86nmnpvbkpc4a4yv";
+    sha256 = "15zjmyky4yw70ipi12dllira4av8wjpw5f7g9kbrbpx12nf0ra0w";
   };
 
   enableParallelBuilding = true;