diff --git a/requirements.txt b/requirements.txt
index 7124e55..f413e14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ line-bot-sdk==1.1.0
 MarkupSafe==0.23
 psycopg2==2.6.1
 requests==2.13.0
-urllib3==1.20
+urllib3==1.26.5
 Werkzeug==0.11.15
 beautifulsoup4==4.6.0
 unshortenit==0.3.0