diff --git a/dev_requirements.txt b/dev_requirements.txt
index dad8afb..af40ff4 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -2,6 +2,7 @@
 -r requirements.txt
 
 vcrpy==2.0.1
+PyYAML>=5.4
 mock==1.3.0
 
 coverage>=5.0; python_version == '2.7' or python_version >= '3.5'
diff --git a/requirements.txt b/requirements.txt
index 9bcd105..92661a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,6 @@ vdf>=3.3
 gevent>=1.3.0
 protobuf>=3.0.0
 gevent-eventemitter~=2.1
-PyYAML==5.1
 cachetools>=3.0.0
 enum34==1.1.2; python_version < '3.4'
 win-inet-pton; python_version == '2.7' and sys_platform == 'win32'