diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 432b23d..d032c29 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 4
+
 [[package]]
 name = "bitflags"
 version = "1.2.1"
@@ -40,7 +42,7 @@ dependencies = [
 name = "dynstack"
 version = "0.1.0"
 dependencies = [
- "protobuf",
+ "protobuf 3.7.2",
  "protoc-rust",
  "zmq",
 ]
@@ -88,6 +90,12 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cde51589ab56b20a6f686b2c68f7a0bd6add753d697abf720d63f8db3ab7b1ad"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.17"
@@ -100,19 +108,48 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
 
+[[package]]
+name = "proc-macro2"
+version = "1.0.94"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a31971752e70b8b2686d7e46ec17fb38dad4051d94024c88df49b667caea9c84"
+dependencies = [
+ "unicode-ident",
+]
+
 [[package]]
 name = "protobuf"
 version = "2.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40361836defdd5871ff7e84096c6f6444af7fc157f8ef1789f54f147687caa20"
 
+[[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 = "2.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12c6abd78435445fc86898ebbd0521a68438063d4a73e23527b7134e6bf58b4a"
 dependencies = [
- "protobuf",
+ "protobuf 2.8.1",
+]
+
+[[package]]
+name = "protobuf-support"
+version = "3.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e36c2f31e0a47f9280fb347ef5e461ffcd2c52dd520d8e216b52f93b0b0d7d6"
+dependencies = [
+ "thiserror",
 ]
 
 [[package]]
@@ -130,12 +167,21 @@ version = "2.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "234c97039c32bb58a883d0deafa57db37e59428ce536f3bdfe1c46cffec04113"
 dependencies = [
- "protobuf",
+ "protobuf 2.8.1",
  "protobuf-codegen",
  "protoc",
  "tempfile",
 ]
 
+[[package]]
+name = "quote"
+version = "1.0.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1f1914ce909e1658d9907913b4b91947430c7d9be598b15a1912935b8c04801"
+dependencies = [
+ "proc-macro2",
+]
+
 [[package]]
 name = "rand"
 version = "0.7.2"
@@ -192,6 +238,17 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "syn"
+version = "2.0.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "tempfile"
 version = "3.1.0"
@@ -206,12 +263,38 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "toml"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "736b60249cb25337bc196faa43ee12c705e426f3d55c214d73a4e7be06f92cb4"
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
+
 [[package]]
 name = "wasi"
 version = "0.7.0"
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 4ebf0e1..d762308 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -7,7 +7,7 @@ build = "build.rs"
 
 [dependencies]
 zmq = {version="0.9", features=["vendored"]}
-protobuf = "2.8"
+protobuf = "3.7"
 
 [build-dependencies]
 protoc-rust = "2.8"