diff --git a/requirements.txt b/requirements.txt
index 7de0460..41daef1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ PyYAML==3.13
 requests-kerberos==0.12.0
 simplejson==3.16.0
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 virtualenv==16.0.0
 pykerberos==1.2.1
 lxml==4.3.2