diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index 1bbf5841..48615b4c 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:0.4.25@sha256:1c7e5952a986304b8038c735868c4c8bee8428fcde9b7bed722b696afd8f563f
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.25@sha256:46243d2a052afef0bde48250d46862e310cba89f62753df8570456e7f46e74ad
         with:
           args: bash -c "cd docs && mdbook build"