diff --git a/requirements-dev.txt b/requirements-dev.txt
index 51693a144f..c981ec7020 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -66,7 +66,7 @@ time-machine==2.19.0
 toml==0.10.2
 tomli==2.4.1
 tomli_w==1.2.0
-tomlkit==0.14.0
+tomlkit==0.15.0
 typing_extensions==4.15.0
 tzdata==2026.1
 uritemplate==4.2.0