diff --git a/pyproject.toml b/pyproject.toml
index c84fe0b..981e5ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -84,7 +84,7 @@ dependencies = [
     # ========= 可观测性 (默认安装) =========
     # goal-00: 由 ==1.37.0 放宽到 [1.39, 1.41.1],取 adk 1.34.x(otel<=1.41.1)与
     # adk 2.x(otel 1.39~1.42.1)的交集,使默认即可解析到 adk 2.x(支持 2.x)。
-    "opentelemetry-api>=1.39.0,<=1.41.1",
+    "opentelemetry-api>=1.39.0,<=1.44.0",
     "opentelemetry-sdk>=1.39.0,<=1.41.1",
     "opentelemetry-exporter-otlp>=1.39.0,<=1.41.1",
 ]