diff --git a/constraints/ci.txt b/constraints/ci.txt
index 367b166..99044ec 100644
--- a/constraints/ci.txt
+++ b/constraints/ci.txt
@@ -35,7 +35,7 @@ jsonschema==4.26.0
 jsonschema-specifications==2025.9.1
 keyring==25.7.0
 lark==1.3.1
-librt==0.13.0
+librt==0.15.0
 license-expression==30.4.4
 lxml==6.1.1
 markdown-it-py==4.2.0