diff --git a/lean/Cargo.lock b/lean/Cargo.lock
index 0811881..e04081a 100644
--- a/lean/Cargo.lock
+++ b/lean/Cargo.lock
@@ -1014,7 +1014,7 @@ dependencies = [
  "dotenvy",
  "futures",
  "moka",
- "opentelemetry",
+ "opentelemetry 0.18.0",
  "opentelemetry-otlp",
  "opentelemetry_api 0.19.0",
  "pretty_assertions",
@@ -1027,7 +1027,7 @@ dependencies = [
  "time",
  "tokio",
  "tonic 0.9.1",
- "tonic-build 0.9.1",
+ "tonic-build",
  "tower",
  "tower-http",
  "tracing",
@@ -1247,20 +1247,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69d6c3d7288a106c0a363e4b0e8d308058d56902adefb16f4936f417ffef086e"
 dependencies = [
  "opentelemetry_api 0.18.0",
- "opentelemetry_sdk",
+ "opentelemetry_sdk 0.18.0",
+]
+
+[[package]]
+name = "opentelemetry"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f4b8347cc26099d3aeee044065ecc3ae11469796b4d65d065a23a584ed92a6f"
+dependencies = [
+ "opentelemetry_api 0.19.0",
+ "opentelemetry_sdk 0.19.0",
 ]
 
 [[package]]
 name = "opentelemetry-otlp"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1c928609d087790fc936a1067bdc310ae702bdf3b090c3f281b713622c8bbde"
+checksum = "8af72d59a4484654ea8eb183fea5ae4eb6a41d7ac3e3bae5f4d2a282a3a7d3ca"
 dependencies = [
  "async-trait",
  "futures",
  "futures-util",
  "http",
- "opentelemetry",
+ "opentelemetry 0.19.0",
  "opentelemetry-proto",
  "prost",
  "thiserror",
@@ -1270,16 +1280,15 @@ dependencies = [
 
 [[package]]
 name = "opentelemetry-proto"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61a2f56df5574508dd86aaca016c917489e589ece4141df1b5e349af8d66c28"
+checksum = "045f8eea8c0fa19f7d48e7bc3128a39c2e5c533d5c61298c548dfefc1064474c"
 dependencies = [
  "futures",
  "futures-util",
- "opentelemetry",
+ "opentelemetry 0.19.0",
  "prost",
  "tonic 0.8.3",
- "tonic-build 0.8.4",
 ]
 
 [[package]]
@@ -1304,6 +1313,7 @@ version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed41783a5bf567688eb38372f2b7a8530f5a607a4b49d38dd7573236c23ca7e2"
 dependencies = [
+ "fnv",
  "futures-channel",
  "futures-util",
  "indexmap",
@@ -1335,6 +1345,26 @@ dependencies = [
  "tokio-stream",
 ]
 
+[[package]]
+name = "opentelemetry_sdk"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b3a2a91fdbfdd4d212c0dcc2ab540de2c2bcbbd90be17de7a7daf8822d010c1"
+dependencies = [
+ "async-trait",
+ "crossbeam-channel",
+ "dashmap",
+ "fnv",
+ "futures-channel",
+ "futures-executor",
+ "futures-util",
+ "once_cell",
+ "opentelemetry_api 0.19.0",
+ "percent-encoding",
+ "rand",
+ "thiserror",
+]
+
 [[package]]
 name = "output_vt100"
 version = "0.1.3"
@@ -2327,19 +2357,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "tonic-build"
-version = "0.8.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bf5e9b9c0f7e0a7c027dcfaba7b2c60816c7049171f679d99ee2ff65d0de8c4"
-dependencies = [
- "prettyplease",
- "proc-macro2",
- "prost-build",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "tonic-build"
 version = "0.9.1"
@@ -2478,7 +2495,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "21ebb87a95ea13271332df069020513ab70bdb5637ca42d6e492dc3bbbad48de"
 dependencies = [
  "once_cell",
- "opentelemetry",
+ "opentelemetry 0.18.0",
  "tracing",
  "tracing-core",
  "tracing-log",
diff --git a/lean/Cargo.toml b/lean/Cargo.toml
index 810f8a7..5942081 100644
--- a/lean/Cargo.toml
+++ b/lean/Cargo.toml
@@ -25,7 +25,7 @@ console-subscriber = "0.1.8"
 futures = "0.3"
 tracing-opentelemetry = "0.18.0"
 opentelemetry = { version = "0.18.0", features = ["rt-tokio", "trace", "metrics"] }
-opentelemetry-otlp = { version = "0.11.0", features = ["tokio", "tonic"] }
+opentelemetry-otlp = { version = "0.12.0", features = ["tokio", "tonic"] }
 opentelemetry_api = { version = "0.19.0" }
 serde-xml-rs = "0.6.0"