1 files changed, 3 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index 2f8f030..29d161f 100644
--- a/setup.py
+++ b/setup.py
@@ -16,5 +16,8 @@ setup(
     url='http://github.com/mwilliamson/python-mammoth',
     packages=['mammoth', 'mammoth.docx'],
     keywords="docx word office clean html",
+    install_requires=[
+        "parsimonious>=0.5,<0.6",
+    ]
 )