diff --git a/sys/src/requirements.txt b/sys/src/requirements.txt
index 42697f1..92d30ba 100644
--- a/sys/src/requirements.txt
+++ b/sys/src/requirements.txt
@@ -21,5 +21,5 @@ requests-oauthlib==1.0.0
 rsa==4.0
 six==1.12.0
 uritemplate==3.0.0
-urllib3==1.24.1
+urllib3==1.26.5
 Werkzeug==0.14.1