diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index 9f25cfde..7001a3b9 100644
--- a/.github/workflows/docs-release.yaml
+++ b/.github/workflows/docs-release.yaml
@@ -30,7 +30,7 @@ jobs:
           fetch-depth: 0
 
       - name: Build docs
-        uses: docker://ghcr.io/bjw-s/mdbook:0.4.25@sha256:36623a9d0fa396cc4437c4ce774d5b3ae13c2a24ae3e3c6537b24a9a85bda2cb
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.25@sha256:776cbfc7644491f09e2ca3a3cbe9d283d96cd67e6d70e27d196ec92dd69cd33b
         with:
           args: bash -c "cd docs && mdbook build"