diff --git a/setup.py b/setup.py
index 535871c5..311bb083 100755
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,8 @@ setup(name='jedi',
       keywords='python completion refactoring vim',
       long_description=readme,
       packages=packages,
-      package_data={'jedi': ['evaluate/compiled/fake/*.pym', 'parser/grammar*.txt']},
+      install_requires=['parso==0.0.1'],
+      package_data={'jedi': ['evaluate/compiled/fake/*.pym']},
       platforms=['any'],
       classifiers=[
           'Development Status :: 4 - Beta',