diff --git a/.github/workflows/build-nightly-cron.yaml b/.github/workflows/build-nightly-cron.yaml
index d989f10..6300f1c 100644
--- a/.github/workflows/build-nightly-cron.yaml
+++ b/.github/workflows/build-nightly-cron.yaml
@@ -60,7 +60,7 @@ jobs:
         run: |
           SPT_COMMIT_ID=${{ steps.get-latest-commit.outputs.SPT_COMMIT_ID }}
 
-          latest_tag=$(git ls-remote --tags ${{ env.SERVER_URL }}/${{ env.REPOSITORY_SPT_SERVER }}.git | awk -F'/' '{print $NF}' | sort -V | tail -1)
+          latest_tag=$(git ls-remote --tags ${{ env.SERVER_URL }}/${{ env.REPOSITORY_SPT_SERVER }}.git | awk -F'/' '{print $NF}' | grep -v '\^{}' | sort -V | tail -1)
           SPT_VERSION=$(echo $latest_tag | cut -d'-' -f1)
 
           # Extract versions from core.json