diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 33ee6a9a..2813d90e 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -123,9 +123,10 @@ jobs:
     - name: run conformance tests
       run: make test.conformance
       env:
-        BLIXT_CONTROLPLANE_IMAGE: "ghcr.io/kong/blixt-controlplane:conformance-tests"
-        BLIXT_DATAPLANE_IMAGE: "ghcr.io/kong/blixt-dataplane:conformance-tests"
-        BLIXT_UDP_SERVER_IMAGE: "ghcr.io/kong/blixt-udp-test-server:conformance-tests"
+        BLIXT_CONTROLPLANE_IMAGE: "ghcr.io/kong/blixt-controlplane"
+        BLIXT_DATAPLANE_IMAGE: "ghcr.io/kong/blixt-dataplane"
+        BLIXT_UDP_SERVER_IMAGE: "ghcr.io/kong/blixt-udp-test-server"
+        TAG: "conformance-tests"
 
     ## Upload diagnostics if conformance test step failed.
     - name: upload diagnostics