diff --git a/requirements.txt b/requirements.txt
index 619c5ef..6fff534 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ python-dateutil==2.8.0
     # via -r requirements.in
 pytz==2021.1
     # via tempora
-pyyaml==5.4
+pyyaml==5.4.1
     # via -r requirements.in
 six==1.16.0
     # via
diff --git a/setup.py b/setup.py
index eba8e08..830be1f 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 requirements = [
     'CherryPy==18.1.1',
     'Click==7.0',
-    'PyYAML==5.4',
+    'PyYAML==5.4.1',
     'mock==3.0.5',
     'prometheus_client==0.6.0',
     'pyfakefs==3.5.8',