diff --git a/requirements-dev.txt b/requirements-dev.txt
index bd153b0..8dd13b6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -33,7 +33,7 @@ jinja2==3.1.6
     # via
     #   myst-parser
     #   sphinx
-librt==0.13.0
+librt==0.15.0
     # via mypy
 markdown-it-py==4.2.0
     # via