diff --git a/requirements.txt b/requirements.txt
index 195e60c..9f886c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ requests==2.18.4
 requests-mock==1.4.0
 six==1.11.0
 swagger-spec-validator==2.1.0
-urllib3==1.22
+urllib3==1.26.5
 validators==0.12.0
 Werkzeug==0.14.1
 wheel==0.24.0