diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3c1483d0..00e4f9e3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,6 +21,8 @@ jobs:
             postgres: 12
           - python: 3.9
             postgres: 13
+          - python: 3.10.0-beta.4
+            postgres: 13
 
           # Opposite extremes of the supported Py/PG range, other architecture
           - python: 3.6