diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index 6a20f415..e7d4e6dd 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:0.4.30@sha256:e38e041d3a2ed6a75f4100137412d2511f30249c1b2ed7968df82f58061ef250
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.30@sha256:2dac9095c65edc6d05c5060183a859513dae5867f4c36c00a1c799762f8d7215
         with:
           args: bash -c "cd docs && mdbook build"