diff --git a/requirements.txt b/requirements.txt
index 792a6f7..34d9afc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 argparse==1.2.1
 boto==2.48.0
 python-dateutil==2.2
-PyYAML==4.2b1
+PyYAML==5.4
 dicttoxml==1.7.4
 OCCO-Util==0.2.0
 OCCO-InfoBroker==0.2.0
diff --git a/requirements_test.txt b/requirements_test.txt
index 70814ab..0f0511d 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -14,7 +14,7 @@ pika==0.9.14
 pymongo==2.8
 python-dateutil==2.2
 pytz==2014.9
-PyYAML==4.2b1
+PyYAML==5.4
 six==1.8.0
 nose==1.3.4
 nose-cov==1.6