diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index fc5c520d..730801a7 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@sha256:18ef8ff27e4a50447ce6c9cb889823083f3f9aa2fe62e8c5eff0651be8dee398
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.28@sha256:6a2a472a86dbdc6b51fda26943a8c24e9a76541ae1b2ab95b6be34b5530e7732
         with:
           args: bash -c "cd docs && mdbook build"