diff --git a/Assets/UnityFbs/Example/PingPong/Scrips/Server/requirements.txt b/Assets/UnityFbs/Example/PingPong/Scrips/Server/requirements.txt
index c38c88f..67aa38a 100644
--- a/Assets/UnityFbs/Example/PingPong/Scrips/Server/requirements.txt
+++ b/Assets/UnityFbs/Example/PingPong/Scrips/Server/requirements.txt
@@ -1,2 +1,2 @@
-Flask==1.1.1
+Flask==2.3.2
 flatbuffers==1.11