diff --git a/scripts/test/integration-setup.sh b/scripts/test/integration-setup.sh
index 89f33a8c07..37dd7c34dd 100644
--- a/scripts/test/integration-setup.sh
+++ b/scripts/test/integration-setup.sh
@@ -22,8 +22,9 @@ airflow db reset -y
 AIRFLOW_VERSION=$(airflow version)
 AIRFLOW_MAJOR_VERSION=$(echo "$AIRFLOW_VERSION" | cut -d. -f1)
 if [ "$AIRFLOW_MAJOR_VERSION" -ge 3 ]; then
-  # https://github.com/zmievsa/cadwyn/issues/283
-    uv pip install "cadwyn>=5.4.1"
+  # https://github.com/zmievsa/cadwyn/issues/283, hence kept cadwyn>=5.4.1
+  # https://github.com/zmievsa/cadwyn/issues/305, hence kept fastapi<0.121.0
+    uv pip install "cadwyn>=5.4.1" "fastapi<0.121.0"
     echo "Detected Airflow $AIRFLOW_VERSION. Running 'airflow db migrate'..."
     airflow db migrate
 else