diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 939fca7..1123f09 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -88,3 +88,6 @@ jobs:
 
       - name: test
         run: make TESTFLAGS="${{ matrix.race }}" test
+
+      - name: test 32-bit
+        run: make GOARCH=386 TESTFLAGS="${{ matrix.race }}" test