diff --git a/REQUIRE b/REQUIRE
index 90baee5..d886936 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -2,5 +2,5 @@ julia 0.5
 OpenCL 0.6 # pre compilation & refcount bug fix
 Primes
 BinDeps
-Homebrew
+@osx Homebrew
 Compat 0.9.1