diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 8ea34ef..5e0f51b 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -100,6 +100,7 @@ jobs:
                 echo "Deleting old nightly release: $tag (created: $(date -d @$RELEASE_DATE -u +"%Y-%m-%d %H:%M:%S UTC"))"
                 gh release delete "$tag" --yes --repo ${{ github.repository }} 2>/dev/null || true
                 git push origin :refs/tags/"$tag" 2>/dev/null || true
+                git tag -d "$tag" 2>/dev/null || true
               else
                 echo "Keeping nightly release: $tag (created: $(date -d @$RELEASE_DATE -u +"%Y-%m-%d %H:%M:%S UTC"))"
               fi
@@ -210,6 +211,7 @@ jobs:
           # If a release for today already exists, delete it first
           gh release delete "$RELEASE_TAG" --yes --repo ${{ github.repository }} 2>/dev/null || true
           git push origin :refs/tags/"$RELEASE_TAG" 2>/dev/null || true
+          git tag -d "$RELEASE_TAG" 2>/dev/null || true
           
           gh release create "$RELEASE_TAG" \
             --title "Nightly Build - ${{ steps.version.outputs.version }}" \