diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6a39a27eac6ec5266d1ddf1372c1f95fda722d80..827178d7c764f0fe8ab527c46e005b7b9c895d91 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,4 +29,4 @@ jobs:
           repo_token: "${{ secrets.GITHUB_TOKEN }}"
           prerelease: true
           files: |
-          njuthesis.pdf
+            njuthesis.pdf