diff --git a/machine-learning-box/multi-touch-attribution/requirements.txt b/machine-learning-box/multi-touch-attribution/requirements.txt
index 2ce15026..cc14c583 100644
--- a/machine-learning-box/multi-touch-attribution/requirements.txt
+++ b/machine-learning-box/multi-touch-attribution/requirements.txt
@@ -40,7 +40,7 @@ tensorflow==2.3.1
 tensorflow-estimator==2.3.0
 termcolor==1.1.0
 tqdm==4.48.2
-urllib3==1.24.3
+urllib3==1.26.17
 Werkzeug==1.0.1
 wrapt==1.12.1
 zipp==3.1.0