diff --git a/python/requirements-3.5.txt b/python/requirements-3.5.txt
index da115b8c54..9d5db1991f 100644
--- a/python/requirements-3.5.txt
+++ b/python/requirements-3.5.txt
@@ -31,7 +31,7 @@ pyparsing==2.4.7
 pytest==5.4.2
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 scipy==1.4.1
 six==1.14.0
diff --git a/python/requirements-3.6.txt b/python/requirements-3.6.txt
index a454b8537a..b236a43872 100644
--- a/python/requirements-3.6.txt
+++ b/python/requirements-3.6.txt
@@ -32,7 +32,7 @@ pyparsing==2.4.7
 pytest==5.4.2
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 scipy==1.4.1
 six==1.14.0
diff --git a/python/requirements-3.8.txt b/python/requirements-3.8.txt
index 4656910d56..635c970e60 100644
--- a/python/requirements-3.8.txt
+++ b/python/requirements-3.8.txt
@@ -30,7 +30,7 @@ pyparsing==2.4.7
 pytest==5.4.2
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 scipy==1.4.1
 six==1.14.0