diff --git a/.github/workflows/pr_enforce_labels.yml b/.github/workflows/pr_enforce_labels.yml
index bf2239f63..3b98dafcd 100644
--- a/.github/workflows/pr_enforce_labels.yml
+++ b/.github/workflows/pr_enforce_labels.yml
@@ -4,6 +4,10 @@ on:
   pull_request:
     types: [opened, edited, labeled, unlabeled, synchronize, reopened]
 
+concurrency:
+  group: pr-labels-${{ github.event.pull_request.number || github.run_id }}
+  cancel-in-progress: true
+
 permissions:
   pull-requests: read
   contents: read
diff --git a/.github/workflows/sec_sast_semgrep_pull.yml b/.github/workflows/sec_sast_semgrep_pull.yml
index 1508e0822..3783fae41 100644
--- a/.github/workflows/sec_sast_semgrep_pull.yml
+++ b/.github/workflows/sec_sast_semgrep_pull.yml
@@ -2,6 +2,10 @@
 name: Semgrep Differential Scan
 on: pull_request
 
+concurrency:
+  group: semgrep-diff-${{ github.event.pull_request.number || github.run_id }}
+  cancel-in-progress: true
+
 permissions: read-all
 
 jobs: