diff --git a/setup.py b/setup.py
index 3bcb012369..eeab2b36fd 100644
--- a/setup.py
+++ b/setup.py
@@ -142,7 +142,7 @@
 ]
 
 adk_extra_require = [
-    "google-adk >= 1.0.0, < 2.0.0",
+    "google-adk >= 1.28.0, < 2.0.0",
 ]
 
 reasoning_engine_extra_require = [