diff --git a/requirements.txt b/requirements.txt
index e38a850..586dbb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@
 python-dateutil==2.6.1
 requests==2.9.1
 simplejson==3.8.1
-pyyaml==3.12
+pyyaml==5.4
 prometheus-client==0.2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 82b7f37..c493bc1 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -15,6 +15,6 @@ bandit>=1.1.0 # Apache-2.0
 python-dateutil==2.6.1
 requests==2.9.1
 simplejson==3.8.1
-pyyaml==3.12
+pyyaml==5.4
 prometheus-client==0.2.0