diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index a64db1b4..c408aef7 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:0.4.31@sha256:9d5b2991ba46fa2493d6c7cdf4c5581e46da4026f5928185024720f04702ce97
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.31@sha256:812a3de9c62bc636ad2f2d87511ac2bfb826041281cae37c9e9e3254a348224f
         with:
           args: bash -c "cd docs && mdbook build"