diff --git a/docs/requirements.txt b/docs/requirements.txt
index 2f6c162..e194b4c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,7 +1,7 @@
 Jinja2==2.10.1
 Markdown==3.0.1
 MarkupSafe==0.23
-pyyaml==4.2b1
+pyyaml==5.4
 Pygments==2.3.1
 argparse==1.2.1
 backports-abc==0.4