diff --git a/.github/workflows/edge.yaml b/.github/workflows/edge.yaml
index 623db04..b1eb9b4 100644
--- a/.github/workflows/edge.yaml
+++ b/.github/workflows/edge.yaml
@@ -2,6 +2,9 @@
 # This workflow builds and pushes the edge image for the Stream Webpage Container on merge to the main branch.
 name: Edge Image Build
 
+concurrency:
+  group: edge-build
+
 on:
   push:
     branches:
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 43c2e29..428734c 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -4,6 +4,10 @@ on:
   pull_request:
     branches: [ main ]
 
+concurrency:
+  group: pr-validation-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   test:
     name: Run Tests