diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e7bdb5ae..34b01c9c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,11 +4,10 @@ on: [push, pull_request]
 
 jobs:
   test:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         python-version:
-          - 3.4
           - 3.5
           - 3.6
           - 3.7