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-rw-r--r--pkgs/development/libraries/haskell/fgl/5.4.2.2.nix4
1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/haskell/fgl/5.4.2.2.nix b/pkgs/development/libraries/haskell/fgl/5.4.2.2.nix
index 7299daddb14cc..7041dd87f93ae 100644
--- a/pkgs/development/libraries/haskell/fgl/5.4.2.2.nix
+++ b/pkgs/development/libraries/haskell/fgl/5.4.2.2.nix
@@ -1,10 +1,10 @@
-{ cabal, mtl }:
+{ cabal, Cabal, mtl }:
 
 cabal.mkDerivation (self: {
   pname = "fgl";
   version = "5.4.2.2";
   sha256 = "8232c337f0792854bf2a12a5fd1bc46726fff05d2f599053286ff873364cd7d2";
-  buildDepends = [ mtl ];
+  buildDepends = [ Cabal mtl ];
   meta = {
     homepage = "http://web.engr.oregonstate.edu/~erwig/fgl/haskell";
     description = "Martin Erwig's Functional Graph Library";