diff --git a/IPython/nbformat/tests/__init__.py b/IPython/nbformat/tests/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/IPython/nbformat/tests/__init__.py
diff --git a/setupbase.py b/setupbase.py
index 2868103..0955e23 100644
--- a/setupbase.py
+++ b/setupbase.py
@@ -127,6 +127,8 @@ def find_packages():
     add_package(packages, 'frontend.terminal', tests=True)
     add_package(packages, 'lib', tests=True)
     add_package(packages, 'nbformat', tests=True)
+    add_package(packages, 'nbformat.v1', tests=True)
+    add_package(packages, 'nbformat.v2', tests=True)
     add_package(packages, 'parallel', tests=True, scripts=True, 
                                     others=['apps','engine','client','controller'])
     add_package(packages, 'quarantine', tests=True)