diff --git a/update.sh b/update.sh
index 2555c00..f779bf3 100644
--- a/update.sh
+++ b/update.sh
@@ -416,7 +416,15 @@ if [ "$(ls -A "/opt/ADN-DMR-Peer-Server/data/")" ]; then
 fi
 sudo chmod -R +x /opt/ADN-DMR-Peer-Server/*
 sudo chmod -R 777 /opt/ADN-DMR-Peer-Server/*
-/usr/bin/python3 -m pip install --upgrade -r requirements.txt
+if [ -f "/etc/os-release" ]; then
+    source /etc/os-release
+
+    if [ "$VERSION_ID" == "12" ]; then
+        /usr/bin/python3 -m pip install --break-system-packages -r requirements.txt
+    else
+        /usr/bin/python3 -m pip install --upgrade -r requirements.txt
+    fi
+fi
 ####
 cp /opt/ADN-DMR-Peer-Server/config/ADN-SAMPLE.cfg  /opt/ADN-DMR-Peer-Server/config/adn.cfg
 sudo sed -i "s/SERVER_ID:.*/SERVER_ID: $variable/g"  /opt/ADN-DMR-Peer-Server/config/adn.cfg