diff --git a/setup.cfg b/setup.cfg
index 2da02e4..4fbffaa 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -63,7 +63,7 @@ qtconsole =
     qtconsole
 terminal =
 test =
-    pytest
+    pytest<7
     pytest-asyncio
     testpath
 test_extra =
@@ -72,7 +72,7 @@ test_extra =
     nbformat
     numpy>=1.19
     pandas
-    pytest
+    pytest<7
     testpath
     trio
 all =