diff --git a/run.py b/run.py
index af7088c..47ab975 100644
--- a/run.py
+++ b/run.py
@@ -55,6 +55,8 @@ def limit_resources():
 
 
 def pre_check():
+    if sys.version_info < (3, 4):
+        quit(f'Python version is not supported - please upgrade to 3.4')
     if not shutil.which('ffmpeg'):
         quit('ffmpeg is not installed!')
     if os.path.isfile('../inswapper_128.onnx'):