diff --git a/Cargo.lock b/Cargo.lock
index f2d4687..f794e80 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -605,13 +605,13 @@ dependencies = [
  "anyhow",
  "axum 0.8.1",
  "hello-tracing-common",
- "opentelemetry",
+ "opentelemetry 0.28.0",
  "opentelemetry-otlp",
- "prost",
+ "prost 0.13.5",
  "serde",
  "serde_json",
  "tokio",
- "tonic",
+ "tonic 0.12.3",
  "tonic-build",
  "tower 0.5.2",
  "tower-http",
@@ -628,17 +628,17 @@ dependencies = [
  "assert_matches",
  "axum 0.8.1",
  "figment",
- "opentelemetry",
+ "opentelemetry 0.28.0",
  "opentelemetry-http",
  "opentelemetry-otlp",
- "opentelemetry_sdk",
- "prost",
+ "opentelemetry_sdk 0.28.0",
+ "prost 0.13.5",
  "serde",
  "serde_json",
  "thiserror",
  "time",
  "tokio",
- "tonic",
+ "tonic 0.12.3",
  "tower 0.5.2",
  "tracing",
  "tracing-opentelemetry",
@@ -654,13 +654,13 @@ dependencies = [
  "async-trait",
  "axum 0.8.1",
  "hello-tracing-common",
- "opentelemetry",
+ "opentelemetry 0.28.0",
  "opentelemetry-otlp",
- "prost",
+ "prost 0.13.5",
  "serde",
  "serde_json",
  "tokio",
- "tonic",
+ "tonic 0.12.3",
  "tonic-build",
  "tower 0.5.2",
  "tower-http",
@@ -949,6 +949,19 @@ 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",
+]
+
 [[package]]
 name = "opentelemetry-http"
 version = "0.28.0"
@@ -958,38 +971,37 @@ dependencies = [
  "async-trait",
  "bytes",
  "http",
- "opentelemetry",
+ "opentelemetry 0.28.0",
  "tracing",
 ]
 
 [[package]]
 name = "opentelemetry-otlp"
-version = "0.28.0"
+version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bef114c6d41bea83d6dc60eb41720eedd0261a67af57b66dd2b84ac46c01d91"
+checksum = "7a2366db2dca4d2ad033cad11e6ee42844fd727007af5ad04a1730f4cb8163bf"
 dependencies = [
- "async-trait",
- "futures-core",
  "http",
- "opentelemetry",
+ "opentelemetry 0.31.0",
  "opentelemetry-proto",
- "opentelemetry_sdk",
- "prost",
+ "opentelemetry_sdk 0.31.0",
+ "prost 0.14.1",
  "thiserror",
  "tokio",
- "tonic",
+ "tonic 0.14.2",
 ]
 
 [[package]]
 name = "opentelemetry-proto"
-version = "0.28.0"
+version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56f8870d3024727e99212eb3bb1762ec16e255e3e6f58eeb3dc8db1aa226746d"
+checksum = "a7175df06de5eaee9909d4805a3d07e28bb752c34cab57fa9cff549da596b30f"
 dependencies = [
- "opentelemetry",
- "opentelemetry_sdk",
- "prost",
- "tonic",
+ "opentelemetry 0.31.0",
+ "opentelemetry_sdk 0.31.0",
+ "prost 0.14.1",
+ "tonic 0.14.2",
+ "tonic-prost",
 ]
 
 [[package]]
@@ -1003,9 +1015,9 @@ dependencies = [
  "futures-executor",
  "futures-util",
  "glob",
- "opentelemetry",
+ "opentelemetry 0.28.0",
  "percent-encoding",
- "rand",
+ "rand 0.8.5",
  "serde_json",
  "thiserror",
  "tokio",
@@ -1013,6 +1025,21 @@ 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",
+]
+
 [[package]]
 name = "pear"
 version = "0.2.9"
@@ -1138,7 +1165,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2796faa41db3ec313a31f7624d9286acf277b52de526150b7e69f3debf891ee5"
 dependencies = [
  "bytes",
- "prost-derive",
+ "prost-derive 0.13.5",
+]
+
+[[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]]
@@ -1154,7 +1191,7 @@ dependencies = [
  "once_cell",
  "petgraph",
  "prettyplease",
- "prost",
+ "prost 0.13.5",
  "prost-types",
  "regex",
  "syn",
@@ -1174,13 +1211,26 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "prost-derive"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9120690fafc389a67ba3803df527d0ec9cbbc9cc45e4cc20b332996dfb672425"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "prost-types"
 version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "52c2c1bf36ddb1a1c396b3601a3cec27c2462e45f07c386894ec3ccf5332bd16"
 dependencies = [
- "prost",
+ "prost 0.13.5",
 ]
 
 [[package]]
@@ -1199,8 +1249,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha",
- "rand_core",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
+dependencies = [
+ "rand_chacha 0.9.0",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -1210,7 +1270,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -1222,6 +1292,15 @@ dependencies = [
  "getrandom 0.2.15",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+dependencies = [
+ "getrandom 0.3.1",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.1"
@@ -1589,7 +1668,7 @@ dependencies = [
  "hyper-util",
  "percent-encoding",
  "pin-project",
- "prost",
+ "prost 0.13.5",
  "socket2",
  "tokio",
  "tokio-stream",
@@ -1599,6 +1678,32 @@ 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-build"
 version = "0.12.3"
@@ -1613,6 +1718,17 @@ dependencies = [
  "syn",
 ]
 
+[[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"
@@ -1624,7 +1740,7 @@ dependencies = [
  "indexmap 1.9.3",
  "pin-project",
  "pin-project-lite",
- "rand",
+ "rand 0.8.5",
  "slab",
  "tokio",
  "tokio-util",
@@ -1641,9 +1757,12 @@ checksum = "d039ad9159c98b70ecfd540b2573b97f7f52c3e8d9f8ad57a24b916a536975f9"
 dependencies = [
  "futures-core",
  "futures-util",
+ "indexmap 2.7.1",
  "pin-project-lite",
+ "slab",
  "sync_wrapper",
  "tokio",
+ "tokio-util",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -1718,8 +1837,8 @@ checksum = "721f2d2569dce9f3dfbbddee5906941e953bfcdf736a62da3377f5751650cc36"
 dependencies = [
  "js-sys",
  "once_cell",
- "opentelemetry",
- "opentelemetry_sdk",
+ "opentelemetry 0.28.0",
+ "opentelemetry_sdk 0.28.0",
  "tracing",
  "tracing-core",
  "tracing-subscriber",
diff --git a/Cargo.toml b/Cargo.toml
index 67703b2..efe7077 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ figment               = { version = "0.10" }
 opentelemetry         = { version = "0.28" }
 opentelemetry_sdk     = { version = "0.28" }
 opentelemetry-http    = { version = "0.28" }
-opentelemetry-otlp    = { version = "0.28", default-features = false }
+opentelemetry-otlp    = { version = "0.31", default-features = false }
 prost                 = { version = "0.13" }
 serde                 = { version = "1.0" }
 serde_json            = { version = "1.0" }