diff --git a/crates/octo-whatsapp/Cargo.toml b/crates/octo-whatsapp/Cargo.toml
index 7efe68d9..0abbc94a 100644
--- a/crates/octo-whatsapp/Cargo.toml
+++ b/crates/octo-whatsapp/Cargo.toml
@@ -104,7 +104,7 @@ futures-executor    = { version = "0.3", optional = true }
 # DISABLED — `observability/tracing.rs` is a no-op stub when `otlp`
 # is absent.
 opentelemetry         = { version = "0.27", optional = true }
-opentelemetry-otlp    = { version = "0.27", optional = true, features = ["grpc-tonic"] }
+opentelemetry-otlp    = { version = "0.32", optional = true, features = ["grpc-tonic"] }
 opentelemetry_sdk     = { version = "0.27", optional = true, features = ["rt-tokio"] }
 tracing-opentelemetry = { version = "0.28", optional = true }
 
diff --git a/crates/quota-router-core/Cargo.toml b/crates/quota-router-core/Cargo.toml
index 8801353e..0f4e68dc 100644
--- a/crates/quota-router-core/Cargo.toml
+++ b/crates/quota-router-core/Cargo.toml
@@ -39,7 +39,7 @@ tracing-subscriber.workspace = true
 
 # OpenTelemetry tracing (RFC-0905)
 opentelemetry = "0.27"
-opentelemetry-otlp = { version = "0.27", features = ["tonic", "trace"] }
+opentelemetry-otlp = { version = "0.32", features = ["tonic", "trace"] }
 opentelemetry_sdk = { version = "0.27", features = ["rt-tokio"] }
 
 # Errors