diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 752a1579..9aa7c28a 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -3,6 +3,16 @@ name: test on pull request
 on:
   pull_request:
     types: [opened, reopened, review_requested, synchronize]
+    paths-ignore:
+      - '*.md'
+      - 'ChangeLog'
+      - 'NEWS'
+      - 'README'
+      - 'COPYING'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 env:
   CLASSPATH: ":/usr/lib/opensourcecobol4j/libcobj.jar"
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 9ae0bbd7..94da8b80 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -2,6 +2,16 @@ name: test on push
 
 on:
   push:
+    paths-ignore:
+      - '*.md'
+      - 'ChangeLog'
+      - 'NEWS'
+      - 'README'
+      - 'COPYING'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 env:
   CLASSPATH: ":/usr/lib/opensourcecobol4j/libcobj.jar"