diff --git a/.forgejo/workflows/documentation.yml b/.forgejo/workflows/documentation.yml
index 70331a14..6b12f6be 100644
--- a/.forgejo/workflows/documentation.yml
+++ b/.forgejo/workflows/documentation.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Setup mdBook
         uses: https://github.com/peaceiris/actions-mdbook@v2
         with:
-          mdbook-version: "latest"
+          mdbook-version: "0.4.52"
 
       - name: Build mdbook
         run: mdbook build