diff --git a/requirements.txt b/requirements.txt
index 95cfb3c..1d0e91f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ psutil == 5.8.0
 # device_south_dmm.py: 10
 # device_south_iot_http.py: 15
 # device_south_system_info_http.py: 17
-requests == 2.25.1
+requests == 2.31.0
 
 # device_emulator_mqtt.py: 9
 # device_south_iot_mqtt.py: 12