diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index cf9232a1d1..ca191035e9 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -34,7 +34,7 @@ jobs:
           token: "${{ steps.app-token.outputs.token }}"
 
       - name: Build docs
-        uses: docker://ghcr.io/bjw-s/mdbook:0.4.41@sha256:540108750533153e3ea42af6918c9c9b86d56ed085b674893eb5c78210e8696b
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.42@sha256:70d5f4ae637b598135473f7fc92f3ee2046dd1d821e4251629b17e880571a208
         with:
           args: bash -c "cd docs && mdbook build"