diff --git a/Cargo.toml b/Cargo.toml
index 5f3f4c25..e17251cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2018"
 name = "grpcio-sys"
 version = "0.13.0+1.56.2-patched"
 authors = ["The TiKV Project Developers"]
-build = "build.rs"
+build = "android/build_cmake.rs"
 exclude = [
     "grpc/doc/*",
     "grpc/etc/*",
@@ -76,6 +76,7 @@ features = [
     "libc",
     "static",
 ]
+optional = true
 default-features = false
 
 [dependencies.openssl-sys]
@@ -84,7 +85,7 @@ features = ["vendored"]
 optional = true
 
 [build-dependencies.bindgen]
-version = "0.59.0"
+version = "0.69.4"
 features = ["runtime"]
 optional = true
 default-features = false
@@ -98,15 +99,18 @@ version = "1.0"
 
 [build-dependencies.cmake]
 version = "0.1"
+optional = true
 
 [build-dependencies.pkg-config]
 version = "0.3"
+optional = true
 
 [build-dependencies.walkdir]
 version = "2.2.9"
 
 [features]
 _gen-bindings = ["bindgen"]
+_libz-sys = ["libz-sys"]
 _list-package = []
 _secure = []
 boringssl = [
@@ -121,4 +125,4 @@ openssl-vendored = [
 ]
 
 [target."cfg(not(all(any(target_os = \"linux\", target_os = \"macos\"), any(target_arch = \"x86_64\", target_arch = \"aarch64\"))))".build-dependencies.bindgen]
-version = "0.59.0"
+version = "0.69.4"