diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7d023152..52429d77 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,10 @@ on:
       - feature
       - "releases/**"
 
+concurrency:
+  group: pairag-ci-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
   pull-requests: write
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cdbc95c9..1ac30874 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,6 +8,10 @@ on:
       - feature
       - "releases/**"
 
+concurrency:
+  group: pr-build-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
   pull-requests: write
diff --git a/.github/workflows/main_gpu.yml b/.github/workflows/main_gpu.yml
index aa631430..d14b2a40 100644
--- a/.github/workflows/main_gpu.yml
+++ b/.github/workflows/main_gpu.yml
@@ -8,6 +8,10 @@ on:
       - feature
       - "releases/**"
 
+concurrency:
+  group: pr-build-gpu-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
   pull-requests: write