diff --git a/a3c/requirements.txt b/a3c/requirements.txt
index 0bb02ff..b44c196 100644
--- a/a3c/requirements.txt
+++ b/a3c/requirements.txt
@@ -45,5 +45,5 @@ tensorflow-tensorboard==1.5.1
 torch==0.3.1
 torchvision==0.2.0
 tqdm==4.19.6
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1
diff --git a/requirements.txt b/requirements.txt
index 0bb02ff..b44c196 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,5 +45,5 @@ tensorflow-tensorboard==1.5.1
 torch==0.3.1
 torchvision==0.2.0
 tqdm==4.19.6
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1