diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index e4349874..1d71315e 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:0.4.28@sha256:37dc3bf8bf67c7c169b868a1b98809585942adc60527e873bfee9b3b2b85a075
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.28@sha256:5c2919d2b3989b75142eea1c231190531fc4b87e51ad3fb202482f18554ece0e
         with:
           args: bash -c "cd docs && mdbook build"