diff --git a/.github/workflows/dual-approval.yaml b/.github/workflows/dual-approval.yaml
index d255129..81b55ff 100644
--- a/.github/workflows/dual-approval.yaml
+++ b/.github/workflows/dual-approval.yaml
@@ -15,6 +15,7 @@ jobs:
   promotion-gate:
     name: Promotion Gate
     runs-on: ubuntu-latest
+    container: ubuntu:latest
     timeout-minutes: 5
 
     steps:
@@ -112,4 +113,4 @@ jobs:
           else
             echo "Promotion gate failed: waiting for ${GATE_NAME} approval from ${REQUIRED_REVIEWER}."
             exit 1
-          fi
\ No newline at end of file
+          fi