diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index 4b11620a..2277d1cb 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:0.4.27@sha256:3a869ba18eb6fba5108c1fec231b864fc282456a152c28ace89b1ceee5d93995
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.27@sha256:cd1631f639c51c1cb97d3cb5ca3dfc00ccc32d2a840773cb220dc4eb6064ce0a
         with:
           args: bash -c "cd docs && mdbook build"