diff --git a/gantry-ml/tensorflow/requirements.txt b/gantry-ml/tensorflow/requirements.txt
index 0590b1c..627170d 100644
--- a/gantry-ml/tensorflow/requirements.txt
+++ b/gantry-ml/tensorflow/requirements.txt
@@ -36,7 +36,7 @@ tensorflow==1.15.2
 tensorflow-estimator==1.15.1
 termcolor==1.1.0
 threadpoolctl==2.1.0
-urllib3==1.25.9
+urllib3==1.26.5
 virtualenv==20.0.23
 virtualenv-clone==0.5.3
 virtualenvwrapper==4.8.4