diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index 46cb4ccf..a9d7b730 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:0.4.28@sha256:e4925ff0f445a01ffa383ab0a54ad1ba7a1f250ccdb157c24cb751426675cf3d
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.28@sha256:a8a45bc791374befc91e0936c4e2cb654b8e78b2beefb3c4d061e871ab94a83c
         with:
           args: bash -c "cd docs && mdbook build"