diff --git a/setup.py b/setup.py
index ffbd01c..b4d614a 100644
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@
     ],
     install_requires=[
         # 'pymongo',
-        'PyYAML>=3.*',
+        'PyYAML',
         'aiohttp==0.20.2',
         'osm-common',
         'n2vc',