2 files changed, 4 insertions, 3 deletions
diff --git a/pkgs/development/libraries/haskell/Crypto/default.nix b/pkgs/development/libraries/haskell/Crypto/default.nix
index 9cb465e50b38b..1a43ebd40f78a 100644
--- a/pkgs/development/libraries/haskell/Crypto/default.nix
+++ b/pkgs/development/libraries/haskell/Crypto/default.nix
@@ -1,9 +1,10 @@
-{cabal}:
+{cabal, HUnit, QuickCheck}:
 
 cabal.mkDerivation (self : {
   pname = "Crypto";
   version = "4.1.0";
   sha256 = "0984c833c5dfa6f4d56fd6fb284db7b7cef6676dc7999a1436aa856becba2b8f";
+  propagatedBuildInputs = [HUnit QuickCheck];
   meta = {
     description = "Several encryption algorithms for Haskell";
   };
diff --git a/pkgs/development/libraries/haskell/monadlab/default.nix b/pkgs/development/libraries/haskell/monadlab/default.nix
index 94044e4d5852e..b391e3a749fd2 100644
--- a/pkgs/development/libraries/haskell/monadlab/default.nix
+++ b/pkgs/development/libraries/haskell/monadlab/default.nix
@@ -1,4 +1,4 @@
-{cabal}:
+{cabal, parsec}:
 
 cabal.mkDerivation (self : {
   pname = "MonadLab";
@@ -7,5 +7,5 @@ cabal.mkDerivation (self : {
   meta = {
     description = "Automatically generate layered monads.";
   };
-  propagatedBuildInputs = [];
+  propagatedBuildInputs = [parsec];
 })