diff --git a/requirements.txt b/requirements.txt
index e6e2854c..5db7bd95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 SQLAlchemy>=1.4.36
+PyYAML>=6.0
 
diff --git a/setup.py b/setup.py
index 9589d43d..66a0c2c1 100755
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,8 @@ from setuptools import setup
 from slpkg.version import Version
 
 
-install_requires = ['SQLAlchemy>=1.4.36']
+install_requires = ['SQLAlchemy>=1.4.36',
+                    'PyYAML>=6.0']
 
 
 setup(