diff --git a/.github/workflows/Deploy_website.yml b/.github/workflows/Deploy_website.yml
index 5ecb3292..f24d1033 100644
--- a/.github/workflows/Deploy_website.yml
+++ b/.github/workflows/Deploy_website.yml
@@ -36,7 +36,7 @@ jobs:
       
       # Installation dependency
       - run: pip install git+https://github.com/IMSUVEN/mkdocs.git
-      - run: pip install mkdocs-material==7.1.8 mkdocs-material-extensions==1.0.1 pymdown-extensions==8.2 jieba==0.42.1
+      - run: pip install mkdocs-material==7.1.8 mkdocs-material-extensions==1.0.1 pymdown-extensions==8.2 jieba==0.42.1 pygments==2.11.0
       
       # Deploy website
       - run: mkdocs gh-deploy --force