diff --git a/requirements.txt b/requirements.txt
index 5870052..ef4d368 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,6 +39,6 @@ six==1.11.0
 sklearn
 tornado==5.0.2
 traitlets==4.3.2
-urllib3==1.23
+urllib3==1.26.5
 wcwidth==0.1.7
 wikipedia
diff --git a/requirements2.txt b/requirements2.txt
index 20d432e..f643b9f 100644
--- a/requirements2.txt
+++ b/requirements2.txt
@@ -86,7 +86,7 @@ tornado==5.1
 traitlets==4.3.2
 Twisted==18.7.0
 ujson==1.35
-urllib3==1.23
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 widgetsnbextension==3.4.0