diff --git a/.github/workflows/test-matrix.yml b/.github/workflows/test-matrix.yml
index 8e77a28..91710ab 100644
--- a/.github/workflows/test-matrix.yml
+++ b/.github/workflows/test-matrix.yml
@@ -9,6 +9,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   zunit-matrix:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test-native.yml b/.github/workflows/test-native.yml
index fdd87d7..2e7e629 100644
--- a/.github/workflows/test-native.yml
+++ b/.github/workflows/test-native.yml
@@ -13,6 +13,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   zunit:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/zsh-n.yml b/.github/workflows/zsh-n.yml
index b48da92..48c42ae 100644
--- a/.github/workflows/zsh-n.yml
+++ b/.github/workflows/zsh-n.yml
@@ -11,6 +11,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   zsh-n:
     runs-on: ubuntu-latest