diff --git a/pyproject.toml b/pyproject.toml
index eea4157..b01524f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,7 +81,7 @@ llamaindex = [
 pydantic = ["pydantic-ai>=1.0.8"]
 
 # Google ADK module
-googleadk = ["google-adk>=1.4.0", "litellm>=1.63.11", "orjson>=3.11.6,<4.0"]
+googleadk = ["google-adk>=2.5.0", "litellm>=1.63.11", "orjson>=3.11.6,<4.0"]
 
 # Development dependencies
 dev = ["ruff", "pyright", "pytest", "uv"]