diff --git a/setup.py b/setup.py
index 4bd5dfbe..dd057324 100644
--- a/setup.py
+++ b/setup.py
@@ -54,7 +54,7 @@
             'isort~=5.0',
             'readme-renderer~=28.0',
             'coveralls~=3.0.0',  # depends on coverage as well
-            'tblib~=1.7',
+            'tblib~=3.0.0',
         ],
         'rest': [
             'djangorestframework~=3.14.0',