diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e07cb88..f907409 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,11 @@
 name: build
-on: [push, pull_request]
+on:
+  push:
+    tags-ignore:
+      - '**'
+    branches:
+      - '**'
+  pull_request:
 env:
   SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_URL }}
 jobs:
diff --git a/.gitignore b/.gitignore
index 7c35509..58695ae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 coverage
 Gemfile
 Gemfile.lock
-test/tmp/*
\ No newline at end of file
+test/tmp/*
+CLAUDE.md