diff --git a/.github/workflows/images-debian.yml b/.github/workflows/images-debian.yml
index cf93332..265bb7b 100644
--- a/.github/workflows/images-debian.yml
+++ b/.github/workflows/images-debian.yml
@@ -7,6 +7,10 @@ on:
       - 'tools/qemu-debian-img/**'
       - '.github/workflows/images-debian.yml'
 
+concurrency:
+  group: ${{ github.workflow_ref }}
+  cancel-in-progress: true
+
 jobs:
   images:
     name: Qemu Images
diff --git a/.github/workflows/images-oraclelinux.yml b/.github/workflows/images-oraclelinux.yml
index c761c35..79cab88 100644
--- a/.github/workflows/images-oraclelinux.yml
+++ b/.github/workflows/images-oraclelinux.yml
@@ -7,6 +7,10 @@ on:
       - 'tools/qemu-oraclelinux-img/**'
       - '.github/workflows/images-oraclelinux.yml'
 
+concurrency:
+  group: ${{ github.workflow_ref }}
+  cancel-in-progress: true
+
 jobs:
   images-oraclelinux:
     name: Qemu Images
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index d380f56..3f01a94 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -11,6 +11,10 @@ on:
       - "README.md"
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow_ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     name: Build
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 47839e2..8a75206 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -11,6 +11,10 @@ on:
       - "README.md"
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow_ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     name: Build