diff --git a/setup.py b/setup.py
index 565125c5fc5d61b790434ded4aa68df32a6486a7..1a8ce8c6feab5c179e3b0dc60d3de538e6716fbd 100755
--- a/setup.py
+++ b/setup.py
@@ -12,6 +12,7 @@ setup(
 
     install_requires=[
         'beancount>=2.2',
+        'PyYAML>=3.0',
         'regex',
         'rt>=2.0',
     ],