diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 9adc53c5e..96553404a 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -52,7 +52,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
           # if this changes, change it in .github/workflows/publish-docs.yml as well
           mdbook-version: '0.4.10'
diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index ed40bd45f..7e75c88a3 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
           # if this changes, change it in .github/workflows/checks.yml as well
           mdbook-version: '0.4.10'