diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index 4350d5bc..f6aec692 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@sha256:6c941e063cbb964b92dcf5401c6dde75472c9f7fc223050a790fadc9379674a4
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.28@sha256:b69c9dd5c07c34ba191aa9ffcc5e6be36ad9b50584fc37305a98af11cea99e13
         with:
           args: bash -c "cd docs && mdbook build"