diff --git a/Cargo.toml b/Cargo.toml
index 4ae28e5821..eb33ddfe42 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ temp-env = "0.3.6"
 thiserror = { version = "1", default-features = false }
 tonic = { version = "0.12", default-features = false }
 tonic-build = "0.12"
-tokio = { version = "1", default-features = false }
+tokio = { version = "~1.38.0", default-features = false } #1.39 needs msrv bump to rustc 1.70
 tokio-stream = "0.1.1"
 tracing = { version = "0.1", default-features = false }
 tracing-core = { version = "0.1", default-features = false }
diff --git a/opentelemetry-sdk/src/trace/sampler/jaeger_remote/mod.rs b/opentelemetry-sdk/src/trace/sampler/jaeger_remote/mod.rs
index 619fd40b08..5ee09940ea 100644
--- a/opentelemetry-sdk/src/trace/sampler/jaeger_remote/mod.rs
+++ b/opentelemetry-sdk/src/trace/sampler/jaeger_remote/mod.rs
@@ -1,4 +1,5 @@
 mod rate_limit;
+#[allow(dead_code)]
 mod remote;
 mod sampler;
 mod sampling_strategy;