diff --git a/requirements.txt b/requirements.txt
index d6aaf42..8e612ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,5 +27,5 @@ retrying==1.3.3
 six==1.11.0
 SPARQLWrapper==1.8.2
 traitlets==4.3.2
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1