diff --git a/setup.py b/setup.py
index a505975..f6e8d81 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
     maintainer_email="cbaklid@gmail.com",
     packages=['rethinkdb_mock'],
     package_dir={'rethinkdb_mock': 'rethinkdb_mock'},
-    install_requires=['rethinkdb>=2.4.8', 'python-dateutil', 'future'],
+    install_requires=['rethinkdb>=2.4.8', 'python-dateutil', 'future', 'exceptiongroup'],
     classifiers=[
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",