diff --git a/requirements.txt b/requirements.txt
index c287ccd..6227133 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,6 @@ python-dateutil==2.7.3
 pytz==2018.4
 requests-ntlm==1.1.0
 six==1.8.0
-urllib3==1.22
+urllib3==1.26.5
 wincertstore==0.2
 winkerberos==0.7.0
\ No newline at end of file