diff --git a/requirements.txt b/requirements.txt
index 7383714..ddad29f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,5 +5,5 @@ chardet==3.0.4
 idna==2.6
 requests==2.20.0
 slacker==0.9.60
-urllib3==1.24.2
+urllib3==1.26.5
 wsgiref==0.1.2