diff --git a/requirements.txt b/requirements.txt
index e98d3bb..df8f24d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -116,7 +116,7 @@ toolz==0.9.0
 tornado==5.1.1
 tqdm==4.31.1
 traitlets==4.3.2
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1
diff --git a/requirements_gpu.txt b/requirements_gpu.txt
index 604ac3f..ce31919 100644
--- a/requirements_gpu.txt
+++ b/requirements_gpu.txt
@@ -117,7 +117,7 @@ toolz==0.9.0
 tornado==5.1.1
 tqdm==4.31.1
 traitlets==4.3.2
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1