diff --git a/.github/workflows/manual-publish.yml b/.github/workflows/manual-publish.yml
index c50828c..770d4c5 100644
--- a/.github/workflows/manual-publish.yml
+++ b/.github/workflows/manual-publish.yml
@@ -27,7 +27,7 @@ jobs:
         name: Build and Test
         uses: ./.github/actions/ci
         with:
-          ruby-version: 2.6
+          ruby-version: '3.0'
 
       - id: publish
         name: Publish Package
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 4403cd8..d55f8fa 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -31,7 +31,7 @@ jobs:
       - uses: ./.github/actions/ci
         if: ${{ steps.release.outputs.releases_created == 'true' }}
         with:
-          ruby-version: 2.6
+          ruby-version: '3.0'
 
       - uses: ./.github/actions/publish
         if: ${{ steps.release.outputs.releases_created == 'true' }}