# This is a combination of 2 commits.

acrrd · acrrd · commit 44ced0b2dc71 · 2025-07-31T16:41:27.000+02:00
# This is the 1st commit message: chore: update tonic and prost to 0.14 # The commit message #2 will be skipped: # Change msrv to 1.86
diff --git a/Cargo.toml b/Cargo.toml
@@ -32,17 +32,18 @@ hyper-util = "0.1"
 log = "0.4.21"
 once_cell = "1.13"
 pin-project-lite = "0.2"
-prost = "0.13"
-prost-build = "0.13"
-prost-types = "0.13"
+prost = "0.14"
+prost-build = "0.14"
+prost-types = "0.14"
 rand = { version = "0.9", default-features = false }
 reqwest = { version = "0.12", default-features = false }
 serde = { version = "1.0", default-features = false }
 serde_json = "1.0"
 temp-env = "0.3.6"
 thiserror = { version = "2", default-features = false }
-tonic = { version = "0.13", default-features = false }
-tonic-build = "0.13"
+tonic = { version = "0.14", default-features = false }
+tonic-prost-build = "0.14"
+tonic-prost = "0.14"
 tokio = { version = "1", default-features = false }
 tokio-stream = "0.1"
 # Using `tracing 0.1.40` because 0.1.39 (which is yanked) introduces the ability to set event names in macros,
diff --git a/examples/tracing-grpc/Cargo.toml b/examples/tracing-grpc/Cargo.toml
@@ -3,7 +3,7 @@ name = "tracing-grpc"
 version = "0.1.0"
 edition = "2021"
 license = "Apache-2.0"
-rust-version = "1.75.0"
+rust-version = "1.86.0"
 publish = false
 autobenches = false
 
@@ -23,10 +23,11 @@ opentelemetry_sdk = { path = "../../opentelemetry-sdk", features = ["rt-tokio"]
 opentelemetry-stdout = { workspace = true, features = ["trace"] }
 prost = { workspace = true }
 tokio = { workspace = true, features = ["full"] }
-tonic = { workspace = true, features = ["server", "codegen", "channel", "prost", "router"] }
+tonic = { workspace = true, features = ["server", "codegen", "channel", "router"] }
+tonic-prost = { workspace = true }
 
 [build-dependencies]
-tonic-build = { workspace = true }
+tonic-prost-build = { workspace = true }
 
 [package.metadata.cargo-machete]
 ignored = [
diff --git a/examples/tracing-grpc/build.rs b/examples/tracing-grpc/build.rs
@@ -1,4 +1,4 @@
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    tonic_build::compile_protos("proto/helloworld.proto")?;
+    tonic_prost_build::compile_protos("proto/helloworld.proto")?;
     Ok(())
 }
diff --git a/opentelemetry-otlp/Cargo.toml b/opentelemetry-otlp/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "otlp", "logging", "tracing", "metrics"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.75.0"
+rust-version = "1.86.0"
 autotests = false
 autobenches = false
 
diff --git a/opentelemetry-otlp/README.md b/opentelemetry-otlp/README.md
@@ -46,7 +46,7 @@ You can find the release notes (changelog) [here](https://github.com/open-teleme
 ## Supported Rust Versions
 
 OpenTelemetry is built against the latest stable release. The minimum supported
-version is 1.75.0. The current OpenTelemetry version is not guaranteed to build
+version is 1.86.0. The current OpenTelemetry version is not guaranteed to build
 on Rust versions earlier than the minimum supported version.
 
 The current stable Rust compiler and the three most recent minor versions
diff --git a/opentelemetry-otlp/examples/basic-otlp-http/Cargo.toml b/opentelemetry-otlp/examples/basic-otlp-http/Cargo.toml
@@ -3,7 +3,7 @@ name = "basic-otlp-http"
 version = "0.1.0"
 edition = "2021"
 license = "Apache-2.0"
-rust-version = "1.75.0"
+rust-version = "1.86.0"
 publish = false
 autobenches = false
 
diff --git a/opentelemetry-otlp/examples/basic-otlp/Cargo.toml b/opentelemetry-otlp/examples/basic-otlp/Cargo.toml
@@ -3,7 +3,7 @@ name = "basic-otlp"
 version = "0.1.0"
 edition = "2021"
 license = "Apache-2.0"
-rust-version = "1.75.0"
+rust-version = "1.86.0"
 publish = false
 autobenches = false
 
diff --git a/opentelemetry-otlp/tests/integration_test/Cargo.toml b/opentelemetry-otlp/tests/integration_test/Cargo.toml
@@ -3,7 +3,7 @@ name = "integration_test_runner"
 version = "0.1.0"
 edition = "2021"
 license = "Apache-2.0"
-rust-version = "1.75.0"
+rust-version = "1.86.0"
 publish = false
 autobenches = false
 
diff --git a/opentelemetry-proto/CHANGELOG.md b/opentelemetry-proto/CHANGELOG.md
@@ -5,6 +5,7 @@
 - Update proto definitions to v1.7.0.
 - Added Rust generated protos for profiles collector. [#3077](https://github.com/open-telemetry/opentelemetry-rust/pull/3077)
 - **Breaking change**: package opentelemetry_proto::tonic::profiles::v1 renamed to opentelemetry_proto::tonic::profiles::v1development. [#3077](https://github.com/open-telemetry/opentelemetry-rust/pull/3077)
+- Update `tonic` and `prost` dependency version to 0.14
 
 ## 0.30.0
 
diff --git a/opentelemetry-proto/Cargo.toml b/opentelemetry-proto/Cargo.toml
@@ -13,7 +13,7 @@ categories = [
 keywords = ["opentelemetry", "otlp", "logging", "tracing", "metrics"]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.75.0"
+rust-version = "1.86.0"
 autotests = false
 autobenches = false
 
@@ -36,7 +36,7 @@ full = ["gen-tonic", "trace", "logs", "metrics", "zpages", "with-serde", "intern
 
 # crates used to generate rs files
 gen-tonic = ["gen-tonic-messages", "tonic/channel"]
-gen-tonic-messages = ["tonic", "prost"]
+gen-tonic-messages = ["tonic", "tonic-prost", "prost"]
 
 # telemetry pillars and functions
 trace = ["opentelemetry/trace", "opentelemetry_sdk/trace"]
@@ -52,7 +52,8 @@ with-schemars = ["schemars"]
 with-serde = ["serde", "const-hex", "base64"]
 
 [dependencies]
-tonic = { workspace = true, optional = true, features = ["codegen", "prost"] }
+tonic = { workspace = true, optional = true, features = ["codegen"] }
+tonic-prost = { workspace = true, optional = true }
 prost = { workspace = true, optional = true }
 opentelemetry = { version = "0.30", default-features = false, path = "../opentelemetry" }
 opentelemetry_sdk = { version = "0.30", default-features = false, path = "../opentelemetry-sdk" }
@@ -63,7 +64,7 @@ base64 = { workspace = true, optional = true }
 
 [dev-dependencies]
 opentelemetry = { features = ["testing"], path = "../opentelemetry" }
-tonic-build = { workspace = true }
+tonic-prost-build = { workspace = true }
 prost-build = { workspace = true }
 tempfile = { workspace = true }
 serde_json = { workspace = true }
diff --git a/opentelemetry-proto/README.md b/opentelemetry-proto/README.md
@@ -15,7 +15,7 @@ You can find the release notes (changelog) [here](https://github.com/open-teleme
 ## Supported Rust Versions
 
 OpenTelemetry is built against the latest stable release. The minimum supported
-version is 1.75.0. The current OpenTelemetry version is not guaranteed to build
+version is 1.86.0. The current OpenTelemetry version is not guaranteed to build
 on Rust versions earlier than the minimum supported version.
 
 The current stable Rust compiler and the three most recent minor versions
diff --git a/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.collector.logs.v1.rs b/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.collector.logs.v1.rs
@@ -168,7 +168,7 @@ pub mod logs_service_client {
                         format!("Service was not ready: {}", e.into()),
                     )
                 })?;
-            let codec = tonic::codec::ProstCodec::default();
+            let codec = tonic_prost::ProstCodec::default();
             let path = http::uri::PathAndQuery::from_static(
                 "/opentelemetry.proto.collector.logs.v1.LogsService/Export",
             );
@@ -315,7 +315,7 @@ pub mod logs_service_server {
                     let inner = self.inner.clone();
                     let fut = async move {
                         let method = ExportSvc(inner);
-                        let codec = tonic::codec::ProstCodec::default();
+                        let codec = tonic_prost::ProstCodec::default();
                         let mut grpc = tonic::server::Grpc::new(codec)
                             .apply_compression_config(
                                 accept_compression_encodings,
diff --git a/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.collector.metrics.v1.rs b/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.collector.metrics.v1.rs
@@ -168,7 +168,7 @@ pub mod metrics_service_client {
                         format!("Service was not ready: {}", e.into()),
                     )
                 })?;
-            let codec = tonic::codec::ProstCodec::default();
+            let codec = tonic_prost::ProstCodec::default();
             let path = http::uri::PathAndQuery::from_static(
                 "/opentelemetry.proto.collector.metrics.v1.MetricsService/Export",
             );
@@ -315,7 +315,7 @@ pub mod metrics_service_server {
                     let inner = self.inner.clone();
                     let fut = async move {
                         let method = ExportSvc(inner);
-                        let codec = tonic::codec::ProstCodec::default();
+                        let codec = tonic_prost::ProstCodec::default();
                         let mut grpc = tonic::server::Grpc::new(codec)
                             .apply_compression_config(
                                 accept_compression_encodings,
diff --git a/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.collector.profiles.v1development.rs b/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.collector.profiles.v1development.rs
@@ -172,7 +172,7 @@ pub mod profiles_service_client {
                         format!("Service was not ready: {}", e.into()),
                     )
                 })?;
-            let codec = tonic::codec::ProstCodec::default();
+            let codec = tonic_prost::ProstCodec::default();
             let path = http::uri::PathAndQuery::from_static(
                 "/opentelemetry.proto.collector.profiles.v1development.ProfilesService/Export",
             );
@@ -318,7 +318,7 @@ pub mod profiles_service_server {
                     let inner = self.inner.clone();
                     let fut = async move {
                         let method = ExportSvc(inner);
-                        let codec = tonic::codec::ProstCodec::default();
+                        let codec = tonic_prost::ProstCodec::default();
                         let mut grpc = tonic::server::Grpc::new(codec)
                             .apply_compression_config(
                                 accept_compression_encodings,
diff --git a/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.collector.trace.v1.rs b/opentelemetry-proto/src/proto/tonic/opentelemetry.proto.collector.trace.v1.rs
@@ -168,7 +168,7 @@ pub mod trace_service_client {
                         format!("Service was not ready: {}", e.into()),
                     )
                 })?;
-            let codec = tonic::codec::ProstCodec::default();
+            let codec = tonic_prost::ProstCodec::default();
             let path = http::uri::PathAndQuery::from_static(
                 "/opentelemetry.proto.collector.trace.v1.TraceService/Export",
             );
@@ -315,7 +315,7 @@ pub mod trace_service_server {
                     let inner = self.inner.clone();
                     let fut = async move {
                         let method = ExportSvc(inner);
-                        let codec = tonic::codec::ProstCodec::default();
+                        let codec = tonic_prost::ProstCodec::default();
                         let mut grpc = tonic::server::Grpc::new(codec)
                             .apply_compression_config(
                                 accept_compression_encodings,
diff --git a/opentelemetry-proto/tests/grpc_build.rs b/opentelemetry-proto/tests/grpc_build.rs
@@ -25,7 +25,7 @@ fn build_tonic() {
     let out_dir = TempDir::new().expect("failed to create temp dir to store the generated files");
 
     // build the generated files into OUT_DIR for now so we don't have to touch the src unless we have to
-    let mut builder = tonic_build::configure()
+    let mut builder = tonic_prost_build::configure()
         .build_server(true)
         .build_client(true)
         .server_mod_attribute(".", "#[cfg(feature = \"gen-tonic\")]")

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`	`1`	`fn main() -> Result<(), Box<dyn std::error::Error>> {`
`2`		`- tonic_build::compile_protos("proto/helloworld.proto")?;`
	`2`	`+ tonic_prost_build::compile_protos("proto/helloworld.proto")?;`
`3`	`3`	`Ok(())`
`4`	`4`	`}`