diff --git a/Cargo.toml b/Cargo.toml
index 0cdcb23..bcbf0ec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ async-trait = "0.1"
 derive-new = "0.5"
 futures = { version = "0.3.5", features = ["async-await", "thread-pool"] }
 futures-timer = "3.0"
-grpcio = { version = "0.6", features = [ "secure", "prost-codec" ], default-features = false }
+grpcio = { version = "0.7", features = [ "secure", "prost-codec" ], default-features = false }
 lazy_static = "1"
 log = "0.4"
 prometheus = { version = "0.8", features = [ "push", "process" ], default-features = false } 
diff --git a/mock-tikv/Cargo.toml b/mock-tikv/Cargo.toml
index 6bc11dd..ff7d083 100644
--- a/mock-tikv/Cargo.toml
+++ b/mock-tikv/Cargo.toml
@@ -6,6 +6,6 @@ edition = "2018"
 [dependencies]
 derive-new = "0.5.8"
 futures = "0.3.5"
-grpcio = { version = "0.6", features = [ "secure", "prost-codec" ], default-features = false }
+grpcio = { version = "0.7", features = [ "secure", "prost-codec" ], default-features = false }
 log = "0.4"
 tikv-client-proto = { path = "../tikv-client-proto"}
diff --git a/tikv-client-common/Cargo.toml b/tikv-client-common/Cargo.toml
index 5f4b6de..eeee4fe 100644
--- a/tikv-client-common/Cargo.toml
+++ b/tikv-client-common/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 [dependencies]
 thiserror = "1"
 futures = { version = "0.3.5", features = ["compat", "async-await", "thread-pool"] }
-grpcio = { version = "0.6", features = [ "secure", "prost-codec" ], default-features = false }
+grpcio = { version = "0.7", features = [ "secure", "prost-codec" ], default-features = false }
 lazy_static = "1"
 log = "0.4"
 regex = "1"
diff --git a/tikv-client-pd/Cargo.toml b/tikv-client-pd/Cargo.toml
index 1cb9184..cf9a2d9 100644
--- a/tikv-client-pd/Cargo.toml
+++ b/tikv-client-pd/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 [dependencies]
 async-trait = "0.1"
 futures = { version = "0.3.5", features = ["compat", "async-await", "thread-pool"] }
-grpcio = { version = "0.6", features = [ "secure", "prost-codec" ], default-features = false }
+grpcio = { version = "0.7", features = [ "secure", "prost-codec" ], default-features = false }
 log = "0.4"
 tikv-client-common = { path = "../tikv-client-common" }
 tikv-client-proto = { path = "../tikv-client-proto" }
diff --git a/tikv-client-proto/Cargo.toml b/tikv-client-proto/Cargo.toml
index 03cccb3..be9db2d 100644
--- a/tikv-client-proto/Cargo.toml
+++ b/tikv-client-proto/Cargo.toml
@@ -12,5 +12,5 @@ protobuf = "=2.8.0"
 prost = { version = "0.6" }
 prost-derive = { version = "0.6" }
 futures = "0.3.5"
-grpcio = { version = "0.6.0", default-features = false, features = ["secure", "prost-codec"] }
+grpcio = { version = "0.7", default-features = false, features = ["secure", "prost-codec"] }
 lazy_static = { version = "1.3" }
diff --git a/tikv-client-store/Cargo.toml b/tikv-client-store/Cargo.toml
index ecf83b0..67e4b13 100644
--- a/tikv-client-store/Cargo.toml
+++ b/tikv-client-store/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 async-trait = "0.1"
 derive-new = "0.5"
 futures = { version = "0.3.5", features = ["compat", "async-await", "thread-pool"] }
-grpcio = { version = "0.6", features = ["secure", "prost-codec"], default-features = false }
+grpcio = { version = "0.7", features = ["secure", "prost-codec"], default-features = false }
 log = "0.4"
 tikv-client-common = { path = "../tikv-client-common" }
 tikv-client-proto = { path = "../tikv-client-proto" }