diff --git a/setup.py b/setup.py
index f2c7bec..4206426 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@ deps = [
     're-wx>=0.0.9',
     'typing-extensions==3.10.0.2',
     'wxpython>=4.1.0',
-    'dataclasses>=0.8',
+    'dataclasses>=0.8; python_version < "3.7"'
 ]
 
 setup(