diff --git a/README.md b/README.md
index c4438ce043f62e5f27709db5552036f1d72883c2..666a1061c23346f3a287a2036b9803e11266a4da 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ eFlows4HPC Data Logistics Service
 ```
 mkdir ./logs ./plugins
 echo -e "AIRFLOW_UID=$(id -u)\nAIRFLOW_GID=0" > .env
+echo "_PIP_ADDITIONAL_REQUIREMENTS=urllib3==1.26.6" >> .env
+
 docker-compose -f dockers/docker-compose.yaml --project-directory . up airflow-init
 ```