diff --git a/pkgs/development/haskell-modules/generic-stack-builder.nix b/pkgs/development/haskell-modules/generic-stack-builder.nix
index cf1e189a38d..1a16cf3683f 100644
--- a/pkgs/development/haskell-modules/generic-stack-builder.nix
+++ b/pkgs/development/haskell-modules/generic-stack-builder.nix
@@ -1,4 +1,4 @@
-{ stdenv, ghc, pkgconfig, glibcLocales }:
+{ stdenv, ghc, pkgconfig, glibcLocales, cacert }:
 
 with stdenv.lib;