diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index cdaebc8c..38e437d1 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:0.4.34@sha256:ee1a8f1d1f8d71323b848810f900bf22319c70b37610e1bd1655b11f293bc5a4
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.34@sha256:def630971bd8b83da05c0d7e8b677e99730f98e8bf88e39b9871d206ff9659a6
         with:
           args: bash -c "cd docs && mdbook build"