diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 88b3cbf..543460d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     name: build ${{ matrix.ruby }}
     strategy:
       matrix:
-        ruby: [ '3.0', 2.7, 2.6 ]
+        ruby: [ '3.3', '3.2', '3.1', '3.0' ]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
diff --git a/lib/tdiary/contrib/version.rb b/lib/tdiary/contrib/version.rb
index 721b31a..1f78130 100644
--- a/lib/tdiary/contrib/version.rb
+++ b/lib/tdiary/contrib/version.rb
@@ -1,5 +1,5 @@
 module TDiary
   class Contrib
-	  VERSION = "5.2.4"
+	  VERSION = "5.3.0"
   end
 end