diff --git a/.travis.yml b/.travis.yml
index 69d37bcd6..dfa6812cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -149,7 +149,7 @@ jobs:
 
     - name: Test WASM
       language: python
-      python: 3.8
+      python: 3.6
       cache:
         - pip
         - cargo