diff --git a/pkgs/development/libraries/giflib/5.0.nix b/pkgs/development/libraries/giflib/5.0.nix
index bd169d04eba..4dc8132805c 100644
--- a/pkgs/development/libraries/giflib/5.0.nix
+++ b/pkgs/development/libraries/giflib/5.0.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, xmlto, docbook_xml_dtd_412, docbook_xsl, libxml2 }:
 
 stdenv.mkDerivation {
-  name = "giflib-5.1.0";
+  name = "giflib-5.0.5";
   src = fetchurl {
-    url = mirror://sourceforge/giflib/giflib-5.1.0.tar.bz2;
-    sha256 = "06wd32akyawppar9mqdvyhcw47ssdfcj39lryim2w4v83i7nkv2s";
+    url = mirror://sourceforge/giflib/giflib-5.0.5.tar.bz2;
+    sha256 = "02c6pwll9pzw5fhg5gccx2ws56d70ylfryk21nv5lqhwdcv8lvb0";
   };
 
   buildInputs = [ xmlto docbook_xml_dtd_412 docbook_xsl libxml2 ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 21381e7ac95..8a47bd66dd2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5915,7 +5915,7 @@ let
 
   libupnp = callPackage ../development/libraries/pupnp { };
 
-  giflib = giflib_5_0;
+  giflib = giflib_5_1;
   giflib_4_1 = callPackage ../development/libraries/giflib/4.1.nix { };
   giflib_5_0 = callPackage ../development/libraries/giflib/5.0.nix { };
   giflib_5_1 = callPackage ../development/libraries/giflib/5.1.nix { };