diff --git a/rust_grpcio_bench/Cargo.lock b/rust_grpcio_bench/Cargo.lock
index 05c625a5..cc1caf28 100644
--- a/rust_grpcio_bench/Cargo.lock
+++ b/rust_grpcio_bench/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "addr2line"
 version = "0.14.1"
@@ -62,9 +64,9 @@ checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "boringssl-src"
-version = "0.2.0"
+version = "0.3.0+688fc5c"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0511b9f0b739706e05b7279ece5dfc1932a42839cf005cb0f00420a3fea27c96"
+checksum = "f901accdf830d2ea2f4e27f923a5e1125cd8b1a39ab578b9db1a42d578a6922b"
 dependencies = [
  "cmake",
 ]
@@ -249,9 +251,9 @@ checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
 [[package]]
 name = "grpcio"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f97e021739b917535217829934dc479bd3c4798d85adb5fc4890a985eb04c6e9"
+checksum = "2a1b8dd4e79b81ccfd5b9282dfc6d3d4e97568291c383c1bc98756a0f21e39d9"
 dependencies = [
  "futures",
  "grpcio-sys",
@@ -272,9 +274,9 @@ dependencies = [
 
 [[package]]
 name = "grpcio-sys"
-version = "0.8.1"
+version = "0.9.0+1.38.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f89a56d830be4dddc939c377c95e3b77e30c86a8df99c20095c34cf9038447b"
+checksum = "0cdbbb3010823156c3153b75db391c0f47beeec57353a33dfa38126b265cc1d5"
 dependencies = [
  "bindgen",
  "boringssl-src",
@@ -325,9 +327,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.2"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602113192b08db8f38796c4e85c39e960c145965140e918018bcde1952429655"
+checksum = "de5435b8549c16d423ed0c03dbaafe57cf6c3344744f1242520d59c9d8ecec66"
 dependencies = [
  "cc",
  "libc",
diff --git a/rust_grpcio_bench/Cargo.toml b/rust_grpcio_bench/Cargo.toml
index 1b3c35b4..b650eea8 100644
--- a/rust_grpcio_bench/Cargo.toml
+++ b/rust_grpcio_bench/Cargo.toml
@@ -10,7 +10,7 @@ codegen-units = 1
 lto = true
 
 [dependencies]
-grpcio = "0.8"
+grpcio = "0.9"
 protobuf = "~2"
 futures = "0.3"