diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4d4a58f..a456aff 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -33,7 +33,7 @@ jinja2==3.1.6
     # via
     #   myst-parser
     #   sphinx
-librt==0.11.0
+librt==0.12.0
     # via mypy
 markdown-it-py==4.2.0
     # via