diff --git a/pkgs/development/interpreters/ruby/bundler-head.nix b/pkgs/development/interpreters/ruby/bundler-head.nix
index c8e981a4735..0aa6e9f90ce 100644
--- a/pkgs/development/interpreters/ruby/bundler-head.nix
+++ b/pkgs/development/interpreters/ruby/bundler-head.nix
@@ -5,7 +5,7 @@ buildRubyGem {
   src = fetchgit {
     url = "https://github.com/bundler/bundler.git";
     rev = "a2343c9eabf5403d8ffcbca4dea33d18a60fc157";
-    sha256 = "1mvyy6ic41m4f56n1026pz9igbryq11mkj3b4hyr0v1siv4r95c4";
+    sha256 = "1p7kzhmicfljy9n7nq3qh6lvrsckiq76ddypf6s55gfh1l98z4k9";
     leaveDotGit = true;
   };
   dontPatchShebangs = true;
diff --git a/pkgs/development/tools/haskell/cabal2nix/default.nix b/pkgs/development/tools/haskell/cabal2nix/default.nix
index cf0cfd64e8f..88e8c55b061 100644
--- a/pkgs/development/tools/haskell/cabal2nix/default.nix
+++ b/pkgs/development/tools/haskell/cabal2nix/default.nix
@@ -12,7 +12,7 @@ mkDerivation rec {
   src = fetchgit {
     url = "http://github.com/NixOS/cabal2nix.git";
     rev = "9f589961fba9fa6a92900c37cf1ab16c597b0c69";
-    sha256 = "1w5ba7cdanpq4nr8xngk1jsj0p6b17c6ap24ldzggrln216f3f7d";
+    sha256 = "0vy18gmyrw72m98psz7hz51aqj66b98h1pdv98hf3k1hrdva3ncv";
     deepClone = true;
   };
   isLibrary = false;