diff --git a/Cargo.lock b/Cargo.lock
index b9193d10..f404bf0e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2921,13 +2921,26 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "opentelemetry"
+version = "0.31.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b84bcd6ae87133e903af7ef497404dda70c60d0ea14895fc8a5e6722754fc2a0"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "js-sys",
+ "pin-project-lite",
+ "thiserror 2.0.17",
+]
+
 [[package]]
 name = "opentelemetry-appender-tracing"
 version = "0.29.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e716f864eb23007bdd9dc4aec381e188a1cee28eecf22066772b5fd822b9727d"
 dependencies = [
- "opentelemetry",
+ "opentelemetry 0.29.1",
  "tracing",
  "tracing-core",
  "tracing-subscriber",
@@ -2942,25 +2955,24 @@ dependencies = [
  "async-trait",
  "bytes",
  "http",
- "opentelemetry",
+ "opentelemetry 0.29.1",
  "tracing",
 ]
 
 [[package]]
 name = "opentelemetry-otlp"
-version = "0.29.0"
+version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d899720fe06916ccba71c01d04ecd77312734e2de3467fd30d9d580c8ce85656"
+checksum = "7a2366db2dca4d2ad033cad11e6ee42844fd727007af5ad04a1730f4cb8163bf"
 dependencies = [
- "futures-core",
  "http",
- "opentelemetry",
- "opentelemetry-proto",
- "opentelemetry_sdk",
- "prost",
+ "opentelemetry 0.31.0",
+ "opentelemetry-proto 0.31.0",
+ "opentelemetry_sdk 0.31.0",
+ "prost 0.14.1",
  "thiserror 2.0.17",
  "tokio",
- "tonic",
+ "tonic 0.14.2",
 ]
 
 [[package]]
@@ -2971,14 +2983,27 @@ checksum = "8c40da242381435e18570d5b9d50aca2a4f4f4d8e146231adb4e7768023309b3"
 dependencies = [
  "base64 0.22.1",
  "hex",
- "opentelemetry",
- "opentelemetry_sdk",
- "prost",
+ "opentelemetry 0.29.1",
+ "opentelemetry_sdk 0.29.0",
+ "prost 0.13.1",
  "serde",
- "tonic",
+ "tonic 0.12.3",
  "tracing",
 ]
 
+[[package]]
+name = "opentelemetry-proto"
+version = "0.31.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7175df06de5eaee9909d4805a3d07e28bb752c34cab57fa9cff549da596b30f"
+dependencies = [
+ "opentelemetry 0.31.0",
+ "opentelemetry_sdk 0.31.0",
+ "prost 0.14.1",
+ "tonic 0.14.2",
+ "tonic-prost",
+]
+
 [[package]]
 name = "opentelemetry-semantic-conventions"
 version = "0.29.0"
@@ -2992,8 +3017,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7e27d446dabd68610ef0b77d07b102ecde827a4596ea9c01a4d3811e945b286"
 dependencies = [
  "chrono",
- "opentelemetry",
- "opentelemetry_sdk",
+ "opentelemetry 0.29.1",
+ "opentelemetry_sdk 0.29.0",
 ]
 
 [[package]]
@@ -3006,7 +3031,7 @@ dependencies = [
  "futures-executor",
  "futures-util",
  "glob",
- "opentelemetry",
+ "opentelemetry 0.29.1",
  "percent-encoding",
  "rand 0.9.2",
  "serde_json",
@@ -3016,6 +3041,21 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "opentelemetry_sdk"
+version = "0.31.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e14ae4f5991976fd48df6d843de219ca6d31b01daaab2dad5af2badeded372bd"
+dependencies = [
+ "futures-channel",
+ "futures-executor",
+ "futures-util",
+ "opentelemetry 0.31.0",
+ "percent-encoding",
+ "rand 0.9.2",
+ "thiserror 2.0.17",
+]
+
 [[package]]
 name = "option-ext"
 version = "0.2.0"
@@ -3400,7 +3440,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e13db3d3fde688c61e2446b4d843bc27a7e8af269a69440c0308021dc92333cc"
 dependencies = [
  "bytes",
- "prost-derive",
+ "prost-derive 0.13.1",
+]
+
+[[package]]
+name = "prost"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7231bd9b3d3d33c86b58adbac74b5ec0ad9f496b19d22801d773636feaa95f3d"
+dependencies = [
+ "bytes",
+ "prost-derive 0.14.1",
 ]
 
 [[package]]
@@ -3416,6 +3466,19 @@ dependencies = [
  "syn 2.0.87",
 ]
 
+[[package]]
+name = "prost-derive"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9120690fafc389a67ba3803df527d0ec9cbbc9cc45e4cc20b332996dfb672425"
+dependencies = [
+ "anyhow",
+ "itertools 0.13.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.87",
+]
+
 [[package]]
 name = "ptr_meta"
 version = "0.1.4"
@@ -4798,9 +4861,9 @@ dependencies = [
 
 [[package]]
 name = "sync_wrapper"
-version = "1.0.0"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "384595c11a4e2969895cad5a8c4029115f5ab956a9e5ef4de79d11a426e5f20c"
+checksum = "0bf256ce5efdfa370213c1dabab5935a12e49f2c58d15e9eac2870d3b4f27263"
 dependencies = [
  "futures-core",
 ]
@@ -4895,19 +4958,19 @@ dependencies = [
  "axum 0.8.6",
  "http",
  "insta",
- "opentelemetry",
+ "opentelemetry 0.29.1",
  "opentelemetry-appender-tracing",
  "opentelemetry-http",
  "opentelemetry-otlp",
- "opentelemetry-proto",
+ "opentelemetry-proto 0.29.0",
  "opentelemetry-semantic-conventions",
  "opentelemetry-stdout",
- "opentelemetry_sdk",
+ "opentelemetry_sdk 0.29.0",
  "rand 0.9.2",
  "reqwest",
  "serde",
  "tokio",
- "tonic",
+ "tonic 0.12.3",
  "tracing",
  "tracing-opentelemetry",
  "tracing-subscriber",
@@ -5366,7 +5429,7 @@ dependencies = [
  "hyper-util",
  "percent-encoding",
  "pin-project",
- "prost",
+ "prost 0.13.1",
  "socket2 0.5.6",
  "tokio",
  "tokio-stream",
@@ -5376,6 +5439,43 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb7613188ce9f7df5bfe185db26c5814347d110db17920415cf2fbcad85e7203"
+dependencies = [
+ "async-trait",
+ "base64 0.22.1",
+ "bytes",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-timeout",
+ "hyper-util",
+ "percent-encoding",
+ "pin-project",
+ "sync_wrapper",
+ "tokio",
+ "tokio-stream",
+ "tower 0.5.2",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tonic-prost"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66bd50ad6ce1252d87ef024b3d64fe4c3cf54a86fb9ef4c631fdd0ded7aeaa67"
+dependencies = [
+ "bytes",
+ "prost 0.14.1",
+ "tonic 0.14.2",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.13"
@@ -5404,7 +5504,9 @@ checksum = "d039ad9159c98b70ecfd540b2573b97f7f52c3e8d9f8ad57a24b916a536975f9"
 dependencies = [
  "futures-core",
  "futures-util",
+ "indexmap 2.7.1",
  "pin-project-lite",
+ "slab",
  "sync_wrapper",
  "tokio",
  "tokio-util",
@@ -5541,8 +5643,8 @@ checksum = "fd8e764bd6f5813fd8bebc3117875190c5b0415be8f7f8059bffb6ecd979c444"
 dependencies = [
  "js-sys",
  "once_cell",
- "opentelemetry",
- "opentelemetry_sdk",
+ "opentelemetry 0.29.1",
+ "opentelemetry_sdk 0.29.0",
  "smallvec",
  "tracing",
  "tracing-core",
diff --git a/crates/synd_o11y/Cargo.toml b/crates/synd_o11y/Cargo.toml
index c2f944a8..28c2ca57 100644
--- a/crates/synd_o11y/Cargo.toml
+++ b/crates/synd_o11y/Cargo.toml
@@ -18,7 +18,7 @@ http                               = { workspace = true }
 opentelemetry                      = { version = "0.29.0" }
 opentelemetry-appender-tracing     = { version = "0.29.0", default-features = false }                                                        # disable logs_level_enabled which affect global filtering
 opentelemetry-http                 = { version = "0.29.0" }
-opentelemetry-otlp                 = { version = "0.29.0", default-features = false, features = ["trace", "metrics", "logs", "grpc-tonic"] }
+opentelemetry-otlp                 = { version = "0.31.0", default-features = false, features = ["trace", "metrics", "logs", "grpc-tonic"] }
 opentelemetry-semantic-conventions = { version = "0.29.0", features = ["semconv_experimental"] }
 opentelemetry-stdout               = { version = "0.29.0", optional = true, default-features = false, features = ["metrics"] }
 opentelemetry_sdk                  = { version = "0.29.0", features = ["logs", "rt-tokio", "spec_unstable_metrics_views"] }