diff --git a/Cargo.lock b/Cargo.lock
index 933214d5..db953bd5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -396,7 +396,7 @@ dependencies = [
  "serde_json",
  "tokio",
  "tokio-stream",
- "tower 0.5.3",
+ "tower",
  "tracing",
  "wasmtimer",
 ]
@@ -442,7 +442,7 @@ dependencies = [
  "serde_json",
  "tokio",
  "tokio-stream",
- "tower 0.5.3",
+ "tower",
  "tracing",
  "url",
  "wasmtimer",
@@ -624,7 +624,7 @@ dependencies = [
  "serde_json",
  "thiserror 2.0.18",
  "tokio",
- "tower 0.5.3",
+ "tower",
  "tracing",
  "url",
  "wasmtimer",
@@ -640,7 +640,7 @@ dependencies = [
  "alloy-transport",
  "reqwest",
  "serde_json",
- "tower 0.5.3",
+ "tower",
  "tracing",
  "url",
 ]
@@ -1086,7 +1086,7 @@ dependencies = [
  "serde_urlencoded",
  "sync_wrapper",
  "tokio",
- "tower 0.5.3",
+ "tower",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -1127,7 +1127,7 @@ dependencies = [
  "metrics-exporter-prometheus 0.18.1",
  "pin-project-lite",
  "tokio",
- "tower 0.5.3",
+ "tower",
  "tower-http",
 ]
 
@@ -2250,7 +2250,7 @@ dependencies = [
  "opentelemetry-semantic-conventions",
  "percent-encoding",
  "pin-project",
- "prost 0.14.1",
+ "prost",
  "prost-types",
  "reqwest",
  "rustc_version 0.4.1",
@@ -2259,9 +2259,9 @@ dependencies = [
  "thiserror 2.0.18",
  "tokio",
  "tokio-stream",
- "tonic 0.14.2",
+ "tonic",
  "tonic-prost",
- "tower 0.5.3",
+ "tower",
  "tracing",
 ]
 
@@ -2360,7 +2360,7 @@ dependencies = [
  "mime",
  "percent-encoding",
  "pin-project",
- "prost 0.14.1",
+ "prost",
  "prost-types",
  "reqwest",
  "serde",
@@ -2370,7 +2370,7 @@ dependencies = [
  "thiserror 2.0.18",
  "tokio",
  "tokio-stream",
- "tonic 0.14.2",
+ "tonic",
  "tracing",
  "uuid",
 ]
@@ -3155,7 +3155,7 @@ dependencies = [
  "metrics",
  "metrics-util 0.20.1",
  "quanta",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -3463,50 +3463,63 @@ 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 2.0.18",
+ "tracing",
+]
+
 [[package]]
 name = "opentelemetry-http"
-version = "0.29.0"
+version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46d7ab32b827b5b495bd90fa95a6cb65ccc293555dcc3199ae2937d2d237c8ed"
+checksum = "d7a6d09a73194e6b66df7c8f1b680f156d916a1a942abf2de06823dd02b7855d"
 dependencies = [
  "async-trait",
  "bytes",
  "http",
- "opentelemetry 0.29.1",
+ "opentelemetry 0.31.0",
  "reqwest",
- "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 0.29.1",
+ "opentelemetry 0.31.0",
  "opentelemetry-http",
  "opentelemetry-proto",
- "opentelemetry_sdk 0.29.0",
- "prost 0.13.5",
+ "opentelemetry_sdk 0.31.0",
+ "prost",
  "reqwest",
  "thiserror 2.0.18",
  "tokio",
- "tonic 0.12.3",
+ "tonic",
  "tracing",
 ]
 
 [[package]]
 name = "opentelemetry-proto"
-version = "0.29.0"
+version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c40da242381435e18570d5b9d50aca2a4f4f4d8e146231adb4e7768023309b3"
+checksum = "a7175df06de5eaee9909d4805a3d07e28bb752c34cab57fa9cff549da596b30f"
 dependencies = [
- "opentelemetry 0.29.1",
- "opentelemetry_sdk 0.29.0",
- "prost 0.13.5",
- "tonic 0.12.3",
+ "opentelemetry 0.31.0",
+ "opentelemetry_sdk 0.31.0",
+ "prost",
+ "tonic",
+ "tonic-prost",
 ]
 
 [[package]]
@@ -3555,6 +3568,21 @@ 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 2.0.18",
+]
+
 [[package]]
 name = "ordered-float"
 version = "4.6.0"
@@ -3752,7 +3780,7 @@ dependencies = [
  "synddb-chain-monitor",
  "synddb-client",
  "tokio",
- "tower 0.5.3",
+ "tower",
  "tower-http",
  "tracing",
  "tracing-subscriber",
@@ -3868,16 +3896,6 @@ dependencies = [
  "syn 2.0.108",
 ]
 
-[[package]]
-name = "prost"
-version = "0.13.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2796faa41db3ec313a31f7624d9286acf277b52de526150b7e69f3debf891ee5"
-dependencies = [
- "bytes",
- "prost-derive 0.13.5",
-]
-
 [[package]]
 name = "prost"
 version = "0.14.1"
@@ -3885,20 +3903,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7231bd9b3d3d33c86b58adbac74b5ec0ad9f496b19d22801d773636feaa95f3d"
 dependencies = [
  "bytes",
- "prost-derive 0.14.1",
-]
-
-[[package]]
-name = "prost-derive"
-version = "0.13.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a56d757972c98b346a9b766e3f02746cde6dd1cd1d1d563472929fdd74bec4d"
-dependencies = [
- "anyhow",
- "itertools 0.14.0",
- "proc-macro2",
- "quote",
- "syn 2.0.108",
+ "prost-derive",
 ]
 
 [[package]]
@@ -3920,7 +3925,7 @@ version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9b4db3d6da204ed77bb26ba83b6122a73aeb2e87e25fbf7ad2e84c4ccbf8f72"
 dependencies = [
- "prost 0.14.1",
+ "prost",
 ]
 
 [[package]]
@@ -4205,7 +4210,7 @@ dependencies = [
  "tokio-native-tls",
  "tokio-rustls",
  "tokio-util",
- "tower 0.5.3",
+ "tower",
  "tower-http",
  "tower-service",
  "url",
@@ -4459,7 +4464,7 @@ checksum = "5e1aee7486406df3541b5a657204a11be97175a467d77bc98e6d94a66289fb80"
 dependencies = [
  "arraydeque",
  "smallvec 2.0.0-alpha.12",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -5168,7 +5173,7 @@ dependencies = [
  "tempfile",
  "thiserror 2.0.18",
  "tokio",
- "tower 0.5.3",
+ "tower",
  "tower-http",
  "tracing",
  "uuid",
@@ -5248,7 +5253,7 @@ dependencies = [
  "synddb-storage",
  "thiserror 2.0.18",
  "tokio",
- "tower 0.5.3",
+ "tower",
  "tower-http",
  "tracing",
  "uuid",
@@ -5611,38 +5616,13 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
-[[package]]
-name = "tonic"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "877c5b330756d856ffcc4553ab34a5684481ade925ecc54bcd1bf02b1d0d4d52"
-dependencies = [
- "async-trait",
- "base64",
- "bytes",
- "http",
- "http-body",
- "http-body-util",
- "hyper",
- "hyper-timeout",
- "hyper-util",
- "percent-encoding",
- "pin-project",
- "prost 0.13.5",
- "tokio",
- "tokio-stream",
- "tower 0.4.13",
- "tower-layer",
- "tower-service",
- "tracing",
-]
-
 [[package]]
 name = "tonic"
 version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb7613188ce9f7df5bfe185db26c5814347d110db17920415cf2fbcad85e7203"
 dependencies = [
+ "async-trait",
  "base64",
  "bytes",
  "http",
@@ -5658,7 +5638,7 @@ dependencies = [
  "tokio",
  "tokio-rustls",
  "tokio-stream",
- "tower 0.5.3",
+ "tower",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -5671,28 +5651,8 @@ 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"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
-dependencies = [
- "futures-core",
- "futures-util",
- "indexmap 1.9.3",
- "pin-project",
- "pin-project-lite",
- "rand 0.8.5",
- "slab",
- "tokio",
- "tokio-util",
- "tower-layer",
- "tower-service",
- "tracing",
+ "prost",
+ "tonic",
 ]
 
 [[package]]
@@ -5727,7 +5687,7 @@ dependencies = [
  "http-body",
  "iri-string",
  "pin-project-lite",
- "tower 0.5.3",
+ "tower",
  "tower-layer",
  "tower-service",
  "tracing",
diff --git a/Cargo.toml b/Cargo.toml
index 308147b7..2300cf83 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -112,7 +112,7 @@ axum-prometheus = "0.10"
 # OpenTelemetry / Distributed Tracing
 opentelemetry = "0.29"
 opentelemetry_sdk = { version = "0.29", features = ["rt-tokio"] }
-opentelemetry-otlp = { version = "0.29", features = ["grpc-tonic"] }
+opentelemetry-otlp = { version = "0.31", features = ["grpc-tonic"] }
 tracing-opentelemetry = "0.30"
 tracing-stackdriver = { version = "0.10", features = ["opentelemetry"] }