diff --git a/setup.py b/setup.py
index 187e92fca40a72fe0cab028f64d1fce4d9f6ac5a..a2fd7d433860942c6119e06432a14be4f760aa33 100755
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 from setuptools import setup
 
-global_requires = ['prometheus_client', 'requests']
+global_requires = ['prometheus_client', 'requests', 'yaml']
 tests_require = global_requires + ['pytest', 'pytest-cov']
 
 setup(