diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0e95578..3f2fb7b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,6 +30,6 @@ jobs:
       - run: pip install mkdocs-rss-plugin
       - run: pip install jieba
       - run: pip install mkdocs-glightbox
-      - run: pip install mkdocs-markdownextradata-plugin         
+      - run: pip install mkdocs-markdownextradata-plugin==0.2.5        
       - run: pip install mkdocs-material 
       - run: mkdocs gh-deploy --force