diff --git a/.github/workflows/nightly-e2e-cilium-heavy.yml b/.github/workflows/nightly-e2e-cilium-heavy.yml
index c4e06c7..115ad6c 100644
--- a/.github/workflows/nightly-e2e-cilium-heavy.yml
+++ b/.github/workflows/nightly-e2e-cilium-heavy.yml
@@ -54,11 +54,15 @@ jobs:
         run: |
           docker build -f Dockerfile.operator -t local/imp-operator:e2e .
           docker build -f Dockerfile.agent -t local/imp-agent:e2e .
+          docker build -f Dockerfile.sandbox -t local/imp-sandbox:e2e .
+          docker build -f Dockerfile.gateway -t local/imp-sandbox-gateway:e2e .
 
       - name: Load local E2E images into Kind
         run: |
           kind load docker-image local/imp-operator:e2e --name imp-cilium-heavy
           kind load docker-image local/imp-agent:e2e --name imp-cilium-heavy
+          kind load docker-image local/imp-sandbox:e2e --name imp-cilium-heavy
+          kind load docker-image local/imp-sandbox-gateway:e2e --name imp-cilium-heavy
 
       - name: Run heavy Cilium E2E tests (retry once)
         run: |