diff --git a/rust-grpc/Cargo.lock b/rust-grpc/Cargo.lock
index 4817677..7e484c3 100644
--- a/rust-grpc/Cargo.lock
+++ b/rust-grpc/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aho-corasick"
@@ -564,7 +564,7 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "45f971449e16e799ebbf106d2414c115ff46f2849689c61da3a3271be0884a34"
 dependencies = [
- "protobuf",
+ "protobuf 2.18.2",
  "protobuf-codegen",
 ]
 
@@ -576,7 +576,7 @@ checksum = "2b39e472b8a5bd8344d55473eabda070bc28126cec26ca6a008fa1bbc3d0c4a2"
 dependencies = [
  "bytes 0.5.6",
  "grpc",
- "protobuf",
+ "protobuf 2.18.2",
 ]
 
 [[package]]
@@ -1142,13 +1142,33 @@ dependencies = [
  "bytes 0.5.6",
 ]
 
+[[package]]
+name = "protobuf"
+version = "3.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d65a1d4ddae7d8b5de68153b48f6aa3bba8cb002b243dbdbc55a5afbc98f99f4"
+dependencies = [
+ "once_cell",
+ "protobuf-support",
+ "thiserror",
+]
+
 [[package]]
 name = "protobuf-codegen"
 version = "2.18.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f49782fe28b5ff7d5d51cbfbe8985f3ff863acea663c515ed369c53f72e1d628"
 dependencies = [
- "protobuf",
+ "protobuf 2.18.2",
+]
+
+[[package]]
+name = "protobuf-support"
+version = "3.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e36c2f31e0a47f9280fb347ef5e461ffcd2c52dd520d8e216b52f93b0b0d7d6"
+dependencies = [
+ "thiserror",
 ]
 
 [[package]]
@@ -1167,7 +1187,7 @@ version = "2.18.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1463636fc5884879f810dfe1fa8e07c71fc90369553e9a572213839f175163a4"
 dependencies = [
- "protobuf",
+ "protobuf 2.18.2",
  "protobuf-codegen",
  "protoc",
  "tempfile",
@@ -1180,7 +1200,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41e2bf99ec0d82b0446a9bce1e0e69806dfff6112415c195f997e55a7afbdb6c"
 dependencies = [
  "grpc-compiler",
- "protobuf",
+ "protobuf 2.18.2",
  "protoc",
  "protoc-rust",
  "tempdir",
@@ -1339,7 +1359,7 @@ dependencies = [
  "grpc-protobuf",
  "httpbis 0.10.0-pre",
  "prost",
- "protobuf",
+ "protobuf 3.7.2",
  "protoc-rust-grpc",
  "tokio 1.24.2",
  "tonic",
diff --git a/rust-grpc/Cargo.toml b/rust-grpc/Cargo.toml
index 9b0c9ac..e8441a5 100644
--- a/rust-grpc/Cargo.toml
+++ b/rust-grpc/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 prost = "0.11.6"
 tonic = "0.8.3"
 tokio = { version = "1.19.2", features = ["macros", "rt-multi-thread"] }
-protobuf        = "2"
+protobuf        = "3"
 httpbis         = { git = "https://github.com/stepancheg/rust-http2" }
 grpc ="*"
 grpc-protobuf="*"