diff --git a/Cargo.lock b/Cargo.lock
index 9ec429c..a9b0c1b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2529,20 +2529,6 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
-[[package]]
-name = "opentelemetry"
-version = "0.25.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "803801d3d3b71cd026851a53f974ea03df3d179cb758b260136a6c9e22e196af"
-dependencies = [
- "futures-core",
- "futures-sink",
- "js-sys",
- "once_cell",
- "pin-project-lite",
- "thiserror",
-]
-
 [[package]]
 name = "opentelemetry"
 version = "0.26.0"
@@ -2563,7 +2549,7 @@ version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14f62d9a23c680ab91c74605f5006110768eb67600bb654937fef5c852fb8ec7"
 dependencies = [
- "opentelemetry 0.26.0",
+ "opentelemetry",
  "tracing",
  "tracing-core",
  "tracing-subscriber",
@@ -2578,7 +2564,7 @@ dependencies = [
  "async-trait",
  "bytes",
  "http 1.1.0",
- "opentelemetry 0.26.0",
+ "opentelemetry",
 ]
 
 [[package]]
@@ -2590,38 +2576,26 @@ dependencies = [
  "async-trait",
  "futures-core",
  "http 1.1.0",
- "opentelemetry 0.26.0",
- "opentelemetry-proto 0.26.1",
- "opentelemetry_sdk 0.26.0",
+ "opentelemetry",
+ "opentelemetry-proto",
+ "opentelemetry_sdk",
  "prost",
  "thiserror",
  "tokio",
  "tonic",
 ]
 
-[[package]]
-name = "opentelemetry-proto"
-version = "0.25.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c43620e8f93359eb7e627a3b16ee92d8585774986f24f2ab010817426c5ce61"
-dependencies = [
- "hex",
- "opentelemetry 0.25.0",
- "opentelemetry_sdk 0.25.0",
- "prost",
- "serde",
- "tonic",
-]
-
 [[package]]
 name = "opentelemetry-proto"
 version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c9d3968ce3aefdcca5c27e3c4ea4391b37547726a70893aab52d3de95d5f8b34"
 dependencies = [
- "opentelemetry 0.26.0",
- "opentelemetry_sdk 0.26.0",
+ "hex",
+ "opentelemetry",
+ "opentelemetry_sdk",
  "prost",
+ "serde",
  "tonic",
 ]
 
@@ -2639,32 +2613,13 @@ checksum = "4a5c185afbc26decc6f10d728971847e3f96532d2b3fb7db2569c1bce154509b"
 dependencies = [
  "async-trait",
  "chrono",
- "opentelemetry 0.26.0",
- "opentelemetry_sdk 0.26.0",
+ "opentelemetry",
+ "opentelemetry_sdk",
  "ordered-float",
  "serde",
  "serde_json",
 ]
 
-[[package]]
-name = "opentelemetry_sdk"
-version = "0.25.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0da0d6b47a3dbc6e9c9e36a0520e25cf943e046843818faaa3f87365a548c82"
-dependencies = [
- "async-trait",
- "futures-channel",
- "futures-executor",
- "futures-util",
- "glob",
- "once_cell",
- "opentelemetry 0.25.0",
- "percent-encoding",
- "rand",
- "serde_json",
- "thiserror",
-]
-
 [[package]]
 name = "opentelemetry_sdk"
 version = "0.26.0"
@@ -2677,7 +2632,7 @@ dependencies = [
  "futures-util",
  "glob",
  "once_cell",
- "opentelemetry 0.26.0",
+ "opentelemetry",
  "percent-encoding",
  "rand",
  "serde_json",
@@ -3071,7 +3026,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "18bec9b0adc4eba778b33684b7ba3e7137789434769ee3ce3930463ef904cfca"
 dependencies = [
  "anyhow",
- "itertools 0.13.0",
+ "itertools 0.10.5",
  "proc-macro2",
  "quote",
  "syn 2.0.52",
@@ -4347,14 +4302,14 @@ dependencies = [
  "axum",
  "http 1.1.0",
  "insta",
- "opentelemetry 0.26.0",
+ "opentelemetry",
  "opentelemetry-appender-tracing",
  "opentelemetry-http",
  "opentelemetry-otlp",
- "opentelemetry-proto 0.25.0",
+ "opentelemetry-proto",
  "opentelemetry-semantic-conventions",
  "opentelemetry-stdout",
- "opentelemetry_sdk 0.26.0",
+ "opentelemetry_sdk",
  "rand",
  "reqwest 0.12.8",
  "serde",
@@ -4961,8 +4916,8 @@ checksum = "dc58af5d3f6c5811462cabb3289aec0093f7338e367e5a33d28c0433b3c7360b"
 dependencies = [
  "js-sys",
  "once_cell",
- "opentelemetry 0.26.0",
- "opentelemetry_sdk 0.26.0",
+ "opentelemetry",
+ "opentelemetry_sdk",
  "smallvec",
  "tracing",
  "tracing-core",
diff --git a/crates/synd_o11y/Cargo.toml b/crates/synd_o11y/Cargo.toml
index 03e9299..3ed6f00 100644
--- a/crates/synd_o11y/Cargo.toml
+++ b/crates/synd_o11y/Cargo.toml
@@ -34,7 +34,7 @@ opentelemetry-stdout = ["dep:opentelemetry-stdout"]
 
 [dev-dependencies]
 insta               = { workspace = true, features = ["yaml", "redactions"] }
-opentelemetry-proto = { version = "0.25.0", features = ["gen-tonic", "trace", "metrics", "logs", "with-serde"] }
+opentelemetry-proto = { version = "0.26.1", features = ["gen-tonic", "trace", "metrics", "logs", "with-serde"] }
 tokio               = { workspace = true, features = ["macros", "rt-multi-thread", "sync"] }
 tonic               = { version = "0.12.3", features = ["transport"] }