diff --git a/requirements.txt b/requirements.txt
index dcc5b17..cce6b0b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ sendgrid==5.6.0
 six==1.11.0
 tinycss2==0.6.1
 uritemplate==3.0.0
-urllib3==1.24.1
+urllib3==1.26.5
 WeasyPrint==43
 webencodings==0.5.1
 xhtml2pdf==0.2.3