diff --git a/dev-requirements.txt b/dev-requirements.txt
index 3c69c99..0b08437 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -104,7 +104,7 @@ pytest==8.3.3
     # via elastic-opentelemetry (pyproject.toml)
 requests==2.32.3
     # via opentelemetry-exporter-otlp-proto-http
-tomli==2.1.0
+tomli==2.2.1
     # via
     #   build
     #   pip-tools