diff --git a/requirements.txt b/requirements.txt
index bcb3f3a..9e4a5d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-flask==1.1.2
+flask==2.3.2
 requests==2.23.0
 argparse==1.4.0
 gpxpy==1.4.1