diff --git a/requirements.txt b/requirements.txt
index dd97a0d6..a12efb20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ line-bot-sdk==1.14.0
 markupsafe==1.1.1
 pygraphviz==1.5
 python-dotenv==0.10.3
-requests==2.22.0
+requests==2.31.0
 six==1.12.0
 transitions==0.6.9
 urllib3==1.25.6