diff --git a/Formula/mcfm.rb b/Formula/mcfm.rb
index 5a1614d4..8b7970ad 100644
--- a/Formula/mcfm.rb
+++ b/Formula/mcfm.rb
@@ -19,7 +19,7 @@ class Mcfm < Formula
   option "with-nnlo-vv", "Build NNLO diboson processes (slow compilation)"
 
   depends_on "cmake" => :build
-  depends_on "gcc" => :build
+  depends_on "gcc"
   depends_on "lhapdf" => :optional # needs to be built with gcc
 
   fails_with :clang