diff --git a/arrenc/requirements.txt b/arrenc/requirements.txt
index d6229a1..3a7a4ec 100644
--- a/arrenc/requirements.txt
+++ b/arrenc/requirements.txt
@@ -7,5 +7,5 @@ itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1
 requests==2.24.0
-urllib3==1.25.9
+urllib3==1.26.5
 Werkzeug==1.0.1