diff --git a/.travis.yml b/.travis.yml
index f7955472d..c4a3aa145 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ os:
   - osx
 env:
   - PYTHON_VERSION=3.6
-  - PYTHON_VERSION=3.7
+  - PYTHON_VERSION=3.7.3
 
 before_install:
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then wget -O miniconda.sh https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh; fi