diff --git a/requirements.txt b/requirements.txt
index 39b74b6..4bcfc4f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ setuptools>=42
 pip>=19.0.3
 requests==2.22.0
 configparser==4.0.2
-pyyaml==5.1.2
+pyyaml==5.4
 jsonschema[format_nongpl]==3.2.0
 git+https://github.com/crossnox/m2r@dev#egg=m2r
 boto3>=1.16.57
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 203a5b3..fa140c9 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 requirements = [
         'requests>=2.18',
         'configparser>=4.0.2',
-        'pyyaml==5.1.2',
+        'pyyaml==5.4',
         'jsonschema[format_nongpl]==3.2.0',
         'm2r==0.2.1',
         'boto3>=1.16.57',