diff --git a/web/pgAdmin4.wsgi b/web/pgAdmin4.wsgi
index 77af5c6ec..4ed2d7860 100644
--- a/web/pgAdmin4.wsgi
+++ b/web/pgAdmin4.wsgi
@@ -9,6 +9,10 @@
 
 import os
 import sys
+
+if sys.version_info < (3, 4):
+    raise Exception('This application must be run under Python 3.4 or later.')
+
 import builtins
 
 root = os.path.dirname(os.path.realpath(__file__))