diff --git a/.travis.yml b/.travis.yml
index 5ed85eeb..4aa2b917 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,7 @@ before_script:
 before_install:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get update -qq              ; fi
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get install -y -qq automake ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install bash; fi
 
 install:
   - cd ${TRAVIS_BUILD_DIR} && make