diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3b1d808..df3375b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -1,10 +1,29 @@
-name: CI
+name: "continuous integration test"
 on:
   push:
     branches:
       - main
-    tags: '*'
+    paths-ignore:
+      - 'CITATION.cff'
+      - 'CODE_OF_CONDUCT.md'
+      - 'CONTRIBUTING.md'
+      - 'LICENSE'
+      - 'README.md'
+      - '.github/workflows/cffvalidation.yml'
+      - '.github/workflows/CompatHelper.yml'
+      - '.github/workflows/TagBot.yml'
   pull_request:
+    paths-ignore:
+      - 'CITATION.cff'
+      - 'CODE_OF_CONDUCT.md'
+      - 'CONTRIBUTING.md'
+      - 'LICENSE'
+      - 'README.md'
+      - '.github/workflows/cffvalidation.yml'
+      - '.github/workflows/CompatHelper.yml'
+      - '.github/workflows/TagBot.yml'
+  workflow_dispatch:
+
 concurrency:
   # Skip intermediate builds: always.
   # Cancel intermediate builds: only if it is a pull request build.
diff --git a/.github/workflows/cffvalidation.yml b/.github/workflows/cffvalidation.yml
new file mode 100644
index 0000000..e69de29