diff --git a/pkgs/applications/version-management/git-and-tools/default.nix b/pkgs/applications/version-management/git-and-tools/default.nix
index 6319c3592c6..3f1593899c1 100644
--- a/pkgs/applications/version-management/git-and-tools/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/default.nix
@@ -48,7 +48,8 @@ rec {
   gitAnnex = lib.makeOverridable (import ./git-annex) {
     inherit stdenv fetchurl libuuid rsync findutils curl perl git ikiwiki which;
     inherit (haskellPackages) ghc MissingH utf8String pcreLight SHA dataenc
-      HTTP testpack monadControl hS3 mtl network hslogger hxt json QuickCheck2;
+      HTTP testpack monadControl hS3 mtl network hslogger hxt json;
+    QuickCheck2 = haskellPackages.QuickCheck_2_4_0_1;
   };
 
   qgit = import ./qgit {
diff --git a/pkgs/applications/version-management/git-and-tools/git-annex/default.nix b/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
index 5fdf9f43bb1..937c2eecd72 100644
--- a/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
@@ -4,14 +4,14 @@
 }:
 
 let
-  version = "3.20111011";
+  version = "3.20111025";
 in
 stdenv.mkDerivation {
   name = "git-annex-${version}";
 
   src = fetchurl {
     url = "http://ftp.de.debian.org/debian/pool/main/g/git-annex/git-annex_${version}.tar.gz";
-    sha256 = "6bfd8ff6784d309bc20aaae38b0edd8f71ed44255b584093a881153d8a70c01c";
+    sha256 = "1ae0fd9551d3397d1b7e5bc1eba9aab47b803bac680c3d019ba6ef7cefe96d27";
   };
 
   buildInputs = [