diff --git a/.travis.yml b/.travis.yml
index 5386dae5..125f5486 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,6 +21,7 @@ compiler:
 before_install:
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo apt-get update -qq; fi
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi
+  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew uninstall libtool && brew install libtool; fi
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install openssl; fi
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then sudo ln -sf $(ls -t /usr/local/bin/gcc-* | head -1) /usr/bin/gcc; fi
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then sudo ln -sf $(ls -t /usr/local/bin/g++-* | head -1) /usr/bin/g++; fi