diff --git a/setup.py b/setup.py
index 3bcb012369..549092e8df 100644
--- a/setup.py
+++ b/setup.py
@@ -321,7 +321,7 @@
         "google-cloud-bigquery >= 1.15.0, < 4.0.0, !=3.20.0",
         "google-cloud-resource-manager >= 1.3.3, < 3.0.0",
         "google-genai >= 1.37.0, <2.0.0; python_version<'3.10'",
-        "google-genai >= 1.59.0, <2.0.0; python_version>='3.10'",
+        "google-genai >= 1.66.0, <2.0.0; python_version>='3.10'",
     )
     + genai_requires,
     extras_require={