diff --git a/CLScript/CLMain.py b/CLScript/CLMain.py
index 480e7c325..26f64fed1 100644
--- a/CLScript/CLMain.py
+++ b/CLScript/CLMain.py
@@ -5,7 +5,7 @@ class CLMain():
         self.path = '/usr/local/CyberCP/version.txt'
         #versionInfo = json.loads(open(self.path, 'r').read())
         self.version = '1.9'
-        self.build = '2'
+        self.build = '3'
 
         ipFile = "/etc/cyberpanel/machineIP"
         f = open(ipFile)
diff --git a/firewall/firewallManager.py b/firewall/firewallManager.py
index 9994fa9d5..6bd0102cf 100755
--- a/firewall/firewallManager.py
+++ b/firewall/firewallManager.py
@@ -1325,6 +1325,11 @@ class FirewallManager:
             else:
                 return ACLManager.loadErrorJson('installStatus', 0)
 
+            if os.path.exists('/usr/local/CyberCP/bin/python3'):
+                final_dic = {'installStatus': 0, 'error_message': 'CSF is not yet supported on Python 3'}
+                final_json = json.dumps(final_dic)
+                return HttpResponse(final_json)
+
             execPath = "sudo /usr/local/CyberCP/bin/python " + virtualHostUtilities.cyberPanel + "/plogical/csf.py"
             execPath = execPath + " installCSF"
 
diff --git a/loginSystem/views.py b/loginSystem/views.py
index d851fbbd3..1a42e83f0 100755
--- a/loginSystem/views.py
+++ b/loginSystem/views.py
@@ -223,7 +223,7 @@ def loadLoginPage(request):
                                   firstName="Cyber",lastName="Panel", acl=acl, token=token)
             admin.save()
 
-            vers = version(currentVersion="1.9", build=1)
+            vers = version(currentVersion="1.9", build=3)
             vers.save()
 
             package = Package(admin=admin, packageName="Default", diskSpace=1000,
diff --git a/plogical/adminPass.py b/plogical/adminPass.py
index 4d7484aa9..d7036e390 100755
--- a/plogical/adminPass.py
+++ b/plogical/adminPass.py
@@ -32,7 +32,7 @@ def main():
                               firstName="Cyber", lastName="Panel", acl=acl, token=token)
         admin.save()
 
-        vers = version(currentVersion="1.9", build=2)
+        vers = version(currentVersion="1.9", build=3)
         vers.save()
 
         package = Package(admin=admin, packageName="Default", diskSpace=1000,
diff --git a/preUpgrade.sh b/preUpgrade.sh
index 7e31222a9..e1c4df519 100644
--- a/preUpgrade.sh
+++ b/preUpgrade.sh
@@ -94,6 +94,7 @@ cp lswsgi /usr/local/CyberCP/bin/
 
 ##
 
+sed -i 's|import views|from . import views|g' /usr/local/CyberCP/configservercsf/urls.py
 systemctl restart lscpd
 
 echo "###################################################################"
diff --git a/version.txt b/version.txt
index 1c0bded6a..01800db5a 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-{"version":"1.9","build":2}
\ No newline at end of file
+{"version":"1.9","build":3}
\ No newline at end of file