diff --git a/flaskapp/requirements.txt b/flaskapp/requirements.txt
index 75b05f2..e1b09b8 100644
--- a/flaskapp/requirements.txt
+++ b/flaskapp/requirements.txt
@@ -18,7 +18,7 @@ scikit-learn==0.20.0
 scipy==1.1.0
 six==1.11.0
 sklearn==0.0
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1
 lxml==4.2.5
 langdetect==1.0.7