diff --git a/strategy.json b/strategy.json
index 08f4f33..392ede9 100644
--- a/strategy.json
+++ b/strategy.json
@@ -5,7 +5,7 @@
     "include": [
       {
         "os": "ubuntu-20.04",
-        "python": "3.7"
+        "python": "3.6"
       },
       {
         "os": "ubuntu-latest",