diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ec7980f..3ce1a88 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,9 +12,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - python-version: "3.6"
+        - python-version: "3.6.7"
           env:
-            TOXENV: py
+            TOXENV: py36
         - python-version: "3.7"
           env:
             TOXENV: py