diff --git a/authn-service/requirements.txt b/authn-service/requirements.txt
index a3ef660..29eb32f 100644
--- a/authn-service/requirements.txt
+++ b/authn-service/requirements.txt
@@ -20,7 +20,7 @@ pyxdg==0.25
 requests==2.24.0
 SecretStorage==2.3.1
 six==1.16.0
-urllib3==1.25.11
+urllib3==1.26.18
 Werkzeug==1.0.1
 requests-oauthlib==1.3.0
 pandas==1.0.3