diff --git a/.github/workflows/pull-request-validation.yml b/.github/workflows/pull-request-validation.yml
index 6b8bde5e..f03fb33d 100644
--- a/.github/workflows/pull-request-validation.yml
+++ b/.github/workflows/pull-request-validation.yml
@@ -12,6 +12,9 @@ permissions:
   actions: read # Required by CodeQL
   security-events: write # Required by CodeQL
 
+concurrency: # This is required to prevent multiple runs of the same workflow from running at the same time.
+  group: ${{ github.workflow }}
+
 jobs:
   dependency-review:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/release-to-production.yml b/.github/workflows/release-to-production.yml
index 2d0bf001..83728685 100644
--- a/.github/workflows/release-to-production.yml
+++ b/.github/workflows/release-to-production.yml
@@ -14,6 +14,9 @@ permissions:
   actions: read # Required by CodeQL
   security-events: write # Required by CodeQL
 
+concurrency: # This is required to prevent multiple runs of the same workflow from running at the same time.
+  group: ${{ github.workflow }}
+
 jobs:
   dotnet-web-ci:
     runs-on: ubuntu-latest