diff --git a/sof/OpenPLC_v3/requirements.txt b/sof/OpenPLC_v3/requirements.txt
index 06cfa7e..668c0df 100644
--- a/sof/OpenPLC_v3/requirements.txt
+++ b/sof/OpenPLC_v3/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.0.2
+Flask==2.3.2
 Flask-Login==0.4.1
 pyserial==3.4
 pymodbus==2.2.0