diff --git a/requirements.txt b/requirements.txt
index 8009df6..b8ab956 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@ pytz==2015.4
 six==1.9.0
 Sphinx==1.3.1
 sphinx-rtd-theme==0.1.9
-urllib3==1.12
+urllib3==1.26.5
 setuptools>=18.3.2
\ No newline at end of file