diff --git a/scripts/travis/build-macos.sh b/scripts/travis/build-macos.sh
index ffa88e9705..5f6974a491 100644
--- a/scripts/travis/build-macos.sh
+++ b/scripts/travis/build-macos.sh
@@ -69,7 +69,7 @@ brew upgrade python@2
 brew link python@2
 brew info python@2
 
-brew install boost boost-python embree llvm@5 lz4 openimageio qt xerces-c zlib
+brew install boost@1.71 boost-python@1.71 embree llvm@5 lz4 openimageio qt xerces-c zlib
 
 mkdir -p $HOME/Library/Python/2.7/lib/python/site-packages
 echo 'import site; site.addsitedir("/usr/local/lib/python2.7/site-packages")' \