diff --git a/requirements.txt b/requirements.txt
index 0ec8267..8951554 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,5 +41,5 @@ simplegeneric==0.8.1
 six==1.11.0
 svgwrite==1.1.12
 traitlets==4.3.2
-urllib3==1.24
+urllib3==1.25.9
 wcwidth==0.1.7