diff --git a/requirements.txt b/requirements.txt
index 528c7da..044ade9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ six==1.12.0
 sqlite==3.31.1
 sympy==1.5.1
 tk==8.6.8
-urllib3==1.24.1
+urllib3==1.24.2
 wcwidth==0.1.8
 wheel==0.34.2
 xlsxwriter==1.2.8