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-rw-r--r--pkgs/development/libraries/haskell/fgl/5.4.2.3.nix4
1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/haskell/fgl/5.4.2.3.nix b/pkgs/development/libraries/haskell/fgl/5.4.2.3.nix
index 7417a32745c50..488e8d2001afc 100644
--- a/pkgs/development/libraries/haskell/fgl/5.4.2.3.nix
+++ b/pkgs/development/libraries/haskell/fgl/5.4.2.3.nix
@@ -1,10 +1,10 @@
-{ cabal, mtl }:
+{ cabal, Cabal, mtl }:
 
 cabal.mkDerivation (self: {
   pname = "fgl";
   version = "5.4.2.3";
   sha256 = "1f46siqqv8bc9v8nxr72nxabpzfax117ncgdvif6rax5ansl48g7";
-  buildDepends = [ mtl ];
+  buildDepends = [ Cabal mtl ];
   meta = {
     homepage = "http://web.engr.oregonstate.edu/~erwig/fgl/haskell";
     description = "Martin Erwig's Functional Graph Library";