diff --git a/.travis.yml b/.travis.yml
index 11d8cdffe..bd0a264f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,9 +17,11 @@ matrix:
         - os: osx
           osx_image: xcode7.3
           env: BUILD_TYPE=Debug
+          before_install: brew update
           install: brew install openssl
         - os: osx
           osx_image: xcode7.3
+          before_install: brew update
           install: brew install openssl
           env: BUILD_TYPE=Release