diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1c9d458bb..1f0a99ddd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -128,6 +128,10 @@ jobs:
       run: |
         echo "Running checks..."
         ./ietf/manage.py check
+        echo "Validating migrations..."
+        if ! (ietf/manage.py makemigrations 2>&1 | grep -q "^No changes detected$") ; then
+            echo -e "\nModel changes without migrations found." ; exit 1
+        fi
         echo "Running tests..."
         ./ietf/manage.py test --settings=settings_sqlitetest
         coverage xml
diff --git a/.github/workflows/ci-run-tests.yml b/.github/workflows/ci-run-tests.yml
index 43c961e9e..6037e2413 100644
--- a/.github/workflows/ci-run-tests.yml
+++ b/.github/workflows/ci-run-tests.yml
@@ -40,6 +40,10 @@ jobs:
       run: |
         echo "Running checks..."
         ./ietf/manage.py check
+        echo "Validating migrations..."
+        if ! (ietf/manage.py makemigrations 2>&1 | grep -q "^No changes detected$") ; then
+            echo -e "\nModel changes without migrations found." ; exit 1
+        fi
         echo "Running tests..."
         ./ietf/manage.py test --settings=settings_sqlitetest
         coverage xml