diff --git a/docs/mkdocs/requirements.txt b/docs/mkdocs/requirements.txt
index 932c0f9f6..fe3beb5a1 100644
--- a/docs/mkdocs/requirements.txt
+++ b/docs/mkdocs/requirements.txt
@@ -36,7 +36,7 @@ pymdown-extensions==10.0
 pyparsing==3.0.9
 python-dateutil==2.8.2
 pytz==2022.7
-PyYAML==6.0
+PyYAML==6.0.1
 pyyaml_env_tag==0.1
 regex==2022.10.31
 requests==2.31.0
diff --git a/tools/serve_header/requirements.txt b/tools/serve_header/requirements.txt
index d32eed3bd..c5082ac6d 100644
--- a/tools/serve_header/requirements.txt
+++ b/tools/serve_header/requirements.txt
@@ -1,2 +1,2 @@
-PyYAML==6.0
+PyYAML==6.0.1
 watchdog==2.1.7