diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index a4943cd1..a6057db0 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@sha256:5066cc47f0166c9127002cbe6de57a4763d8af6521fff3ee200641f8ad3f1c75
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.30@sha256:75f0b3648897592273b1d230eb9c1129e92e9f8ac8a18e6833fe1e9f80dc0d82
         with:
           args: bash -c "cd docs && mdbook build"