diff --git a/requirements.txt b/requirements.txt
index 3daf5e2..2d65914 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ pytest-watch==4.2.0
 python-dateutil==2.8.0
 pytz==2019.1
 pytzdata==2019.1
-PyYAML==5.1
+PyYAML==5.4
 requests==2.22.0
 six==1.12.0
 snowballstemmer==1.2.1
diff --git a/setup.py b/setup.py
index a72bc7f..b100d31 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
         'Flask==1.0.2',
         'marshmallow[reco]==3.0.0rc5',  # Marshmallow with recommended deps
         'marshmallow-enum==1.4.1',
-        'PyYAML==5.1',
+        'PyYAML==5.4',
         'tabulate==0.8.3',
     ],
     entry_points={