diff --git a/pyproject.toml b/pyproject.toml
index 308cea3..9039796 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,9 +1,11 @@
 [build-system]
-requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
+requires = ["setuptools"]
+
 
 [project]
 name = "google-genai"
-version = "1.4.0"
+version = "1.1.0"
 description = "GenAI Python SDK"
 readme = "README.md"
 license = {text = "Apache-2.0"}
@@ -27,11 +29,9 @@
 ]
 dependencies = [
     "google-auth>=2.14.1, <3.0.0dev",
-    "httpx>=0.28.1, <1.0.0dev",
     "pydantic>=2.0.0, <3.0.0dev",
     "requests>=2.28.1, <3.0.0dev",
     "websockets>=13.0, <15.0dev",
-    "typing-extensions>=4.11.0, <5.0.0dev",
 ]
 
 [project.urls]
@@ -42,4 +42,3 @@
     "google",
     "google.genai",
 ]
-include-package-data = true
\ No newline at end of file