diff --git a/requirements.txt b/requirements.txt
index 0056fb9..ffec721 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,6 @@ py==1.8.0
 pytest==4.4.2
 python-dateutil==2.8.0
 pytz==2019.1
-PyYAML==5.1
+PyYAML==5.4
 six==1.12.0
 wincertstore==0.2
diff --git a/setup.py b/setup.py
index d713749..e6acfb1 100644
--- a/setup.py
+++ b/setup.py
@@ -14,6 +14,6 @@
     url = "https://github.com/holmesjoli/utilsPy",
     packages = setuptools.find_packages(),
     install_requires = [
-        'pyyaml==5.1'
+        'pyyaml==5.4'
     ]
 )