diff --git a/setup.py b/setup.py
index ce5d4d0..d839818 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,8 @@
     url="https://github.com/HDRUK/schemata-2",
     packages=setuptools.find_packages(),
     install_requires=[
-        "pydantic",
+        "pydantic[email]",
+        "pytest"
     ],
     classifiers=[
         "Programming Language :: Python :: 3",