diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f27da37..1d1df9a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,7 +4,7 @@ on:
   push:
     branches:
       - main
-      - dev/**
+      - dev/*
     paths-ignore:
       - '*.md'
   pull_request:
@@ -22,21 +22,7 @@ jobs:
       matrix:
         include:
           - redmine-repository: 'redmine/redmine'
-            redmine-version: '5.1-stable'
-            redmine-database: 'sqlite3'
-            ruby-version: '3.2'
-            expected-about-db-adapter: 'SQLite'
-            expected-about-redmine-version: '5\.1\.[0-9]\.stable'
-
-          - redmine-repository: 'redmine/redmine'
-            redmine-version: '5.1-stable'
-            redmine-database: 'mysql:8.1'
-            ruby-version: '3.2'
-            expected-about-db-adapter: 'Mysql2'
-            expected-about-redmine-version: '5\.1\.[0-9]\.stable'
-
-          - redmine-repository: 'redmica/redmica'
-            redmine-version: 'stable-2.4'
+            redmine-version: 'master'
             redmine-database: 'postgres:14'
             ruby-version: '3.2'
             expected-about-db-adapter: 'PostgreSQL'