diff --git a/requirements_dev.txt b/requirements_dev.txt
index 550739a..8be98f7 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -7,7 +7,7 @@ tox==4.5.0
 coverage==7.3.2
 cryptography==41.0.4
 Sphinx==7.2.6
-PyYAML==6.0
+PyYAML==6.0.1
 pytest==7.4.3
 vcrpy==2.1.1
 twine==4.0.2