diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index 4e5c1c01..949d32ff 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:a9bdca209e87d0e103b396a36db15ede8627365a6ade41f7168ad887be81114a
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.25@sha256:3f9f4ef591ea660c63a710b7032f0eab24056902faa6511992a22fe9f62a3fc0
         with:
           args: bash -c "cd docs && mdbook build"