diff --git a/scripts/test/pre-install-airflow.sh b/scripts/test/pre-install-airflow.sh
index dd576db1fe..36bf121ac7 100755
--- a/scripts/test/pre-install-airflow.sh
+++ b/scripts/test/pre-install-airflow.sh
@@ -46,7 +46,7 @@ if [ "$AIRFLOW_VERSION" = "2.6" ]  ; then
   uv pip install "apache-airflow-providers-cncf-kubernetes" "apache-airflow==$AIRFLOW_VERSION"
   uv pip install  "apache-airflow-providers-google<10.11" "apache-airflow==$AIRFLOW_VERSION"
   uv pip install "apache-airflow-providers-microsoft-azure" "apache-airflow==$AIRFLOW_VERSION"
-  uv pip install pyopenssl --upgrade
+  uv pip install "pydantic<2.0"
 elif [ "$AIRFLOW_VERSION" = "2.7" ] ; then
   uv pip install "apache-airflow-providers-amazon" --constraint /tmp/constraint.txt
   uv pip install "apache-airflow-providers-cncf-kubernetes" --constraint /tmp/constraint.txt