diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b0c9f95c..a4f31a2b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,5 @@
 env:
-  RUBY_VERSION: 3.3.4
+  RUBY_VERSION: 3.3
   DATABASE_URL: postgres://postgres:postgres@localhost:5432/postgres
 
 name: CI
@@ -15,7 +15,7 @@ on:
 jobs:
   test:
     name: Rubocop + Rails Test
-    runs-on: ubuntu-24.10
+    runs-on: ubuntu-24.04
 
     services:
       postgres: