diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index c408aef7..26d7ba47 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@sha256:812a3de9c62bc636ad2f2d87511ac2bfb826041281cae37c9e9e3254a348224f
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.31@sha256:ae25bda8a364852db95138718c24a14c14083284b6440057fe8f1df1fe438972
         with:
           args: bash -c "cd docs && mdbook build"