diff --git a/packaging/travis/setup_osx.sh b/packaging/travis/setup_osx.sh
index 9a1448856..9fc187f70 100755
--- a/packaging/travis/setup_osx.sh
+++ b/packaging/travis/setup_osx.sh
@@ -6,4 +6,7 @@ set -o xtrace
 wget https://www.python.org/ftp/python/2.7.11/python-2.7.11-macosx10.6.pkg
 sudo installer -pkg python-2.7.11-macosx10.6.pkg -target /
 pip install -U pip
+brew update
 brew install gmp
+brew install openssl
+brew link --force openssl