diff --git a/setup.py b/setup.py
index 8e3e94383..7c65caf12 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@ def convert_markdown_to_rst(file):
         "idna==2.10",
         "Jinja2==2.11.2",
         "MarkupSafe==1.1.1",
-        "PyYAML==5.3.1",
+        "PyYAML==5.4.1",
         "urllib3==1.26.2",
         "luddite==1.0.1",
     ],