diff --git a/.github/workflows/disparity.yml b/.github/workflows/disparity.yml
index 62f16d1..7abbca8 100644
--- a/.github/workflows/disparity.yml
+++ b/.github/workflows/disparity.yml
@@ -11,6 +11,10 @@ on:
       - ".github/workflows/disparity.yml"
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   disparity-audit:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/flow.yml b/.github/workflows/flow.yml
index d6e4cd4..cf5fe2c 100644
--- a/.github/workflows/flow.yml
+++ b/.github/workflows/flow.yml
@@ -8,6 +8,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 permissions:
   contents: read