diff --git a/requirements.txt b/requirements.txt
index 484e9fa..ef17970 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ requests==2.17.3
 requests-futures==0.9.7
 six==1.10.0
 tempora==1.7
-urllib3==1.21.1
+urllib3==1.26.5