diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0e2aac20..6688cd90 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,6 +20,8 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
+          - "4.0"
         os:
           - ubuntu
           # At the moment of this commit various specs fail on Windows.