diff --git a/pyapi/addins-api/requirements-test.txt b/pyapi/addins-api/requirements-test.txt
index 2ebb513..abdfb51 100644
--- a/pyapi/addins-api/requirements-test.txt
+++ b/pyapi/addins-api/requirements-test.txt
@@ -7,7 +7,7 @@ pylint==1.4.4
 pyramid==1.6a2
 python-keystoneclient==3.0.0
 python-swiftclient==2.4.0
-PyYAML==3.11
+PyYAML==5.1
 responses==0.4.0
 tissue==0.9.2
 tox==2.1.1