diff --git a/05_capstone/heroku_sample/requirements.txt b/05_capstone/heroku_sample/requirements.txt
index 23960b5..1845e21 100644
--- a/05_capstone/heroku_sample/requirements.txt
+++ b/05_capstone/heroku_sample/requirements.txt
@@ -45,5 +45,5 @@ s3transfer==0.3.3
 six==1.15.0
 SQLAlchemy==1.3.19
 toml==0.10.1
-urllib3==1.25.10
+urllib3==1.26.5
 Werkzeug==1.0.1