diff --git a/polkadot/scripts/gitlab/trigger_pipeline.sh b/polkadot/scripts/gitlab/trigger_pipeline.sh
index 014f38f4ec..de74cfc478 100755
--- a/polkadot/scripts/gitlab/trigger_pipeline.sh
+++ b/polkadot/scripts/gitlab/trigger_pipeline.sh
@@ -8,7 +8,7 @@ echo "Triggering Simnet pipeline."
 curl --silent \
     -X POST \
     -F "token=${CI_JOB_TOKEN}" \
-    -F "ref=v3" `# trigger the pinned version of simnet CI config` \
+    -F "ref=v4" `# trigger the pinned version of simnet CI config` \
     -F "variables[TRGR_PROJECT]=${TRGR_PROJECT}" \
     -F "variables[TRGR_REF]=${TRGR_REF}" \
     -F "variables[IMAGE_NAME]=${IMAGE_NAME}" \