diff --git a/.travis.yml b/.travis.yml
index 5d619ce7..de7698d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ matrix:
   include:
     - python: "3.6"
       env: TOXENV=py36
-    - python: "3.7"
+    - python: "3.7.7"
       env: TOXENV=py37
     - python: "3.8"
       env: TOXENV=py38