diff --git a/environment/requirements.txt b/environment/requirements.txt
index 6ad9b6d5..e8723f8e 100644
--- a/environment/requirements.txt
+++ b/environment/requirements.txt
@@ -83,7 +83,7 @@ tensorboard==1.13.1
 termcolor==1.1.0
 toolz==0.9.0
 uritemplate==3.0.0
-urllib3==1.25.1
+urllib3==1.26.5
 Werkzeug==0.14.1
 tqdm==4.32.1
 https://download.pytorch.org/whl/cu100/torch-1.1.0-cp37-cp37m-linux_x86_64.whl