diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -21,5 +21,10 @@ setup(
         'spaceapi.static': ['*'],
         'spaceapi.schema': ['*'],
     },
-    install_requires=['Flask', 'Flask-HTTPAuth', 'Flask-Bootstrap']
+    install_requires=[
+        'Flask',
+        'Flask-HTTPAuth',
+        'Flask-Bootstrap',
+        'jsonschema',
+    ]
 )