diff --git a/.github/workflows/benchmark.yaml b/.github/workflows/benchmark.yaml
index 7bf10b0cb..d495cbd51 100644
--- a/.github/workflows/benchmark.yaml
+++ b/.github/workflows/benchmark.yaml
@@ -14,6 +14,11 @@ on:
 permissions:
   pull-requests: write # For comment
 
+# cancel previous job runs for the same workflow + pr
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 env:
   RUST_LOG: info
   RUST_BACKTRACE: 1
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 43c229bf8..2452d7665 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -17,6 +17,11 @@ on:
 permissions:
   contents: write # For documentation deployment
 
+# cancel previous job runs for the same workflow + pr
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 env:
   RUST_LOG: info
   RUST_BACKTRACE: 1