diff --git a/Cargo.lock b/Cargo.lock
index 237d4b3..7736842 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2554,13 +2554,27 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "opentelemetry"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "570074cc999d1a58184080966e5bd3bf3a9a4af650c3b05047c2621e7405cd17"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "js-sys",
+ "once_cell",
+ "pin-project-lite",
+ "thiserror",
+]
+
 [[package]]
 name = "opentelemetry-appender-tracing"
-version = "0.25.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11338a346937cdcce64971604422817318c1301145ca845e01c21bb21824b007"
+checksum = "14f62d9a23c680ab91c74605f5006110768eb67600bb654937fef5c852fb8ec7"
 dependencies = [
- "opentelemetry",
+ "opentelemetry 0.26.0",
  "tracing",
  "tracing-core",
  "tracing-subscriber",
@@ -2568,28 +2582,28 @@ dependencies = [
 
 [[package]]
 name = "opentelemetry-http"
-version = "0.25.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88d8c2b76e5f7848a289aa9666dbe56b16f8a22a4c5246ef37a14941818d2913"
+checksum = "6351496aeaa49d7c267fb480678d85d1cd30c5edb20b497c48c56f62a8c14b99"
 dependencies = [
  "async-trait",
  "bytes",
  "http 1.1.0",
- "opentelemetry",
+ "opentelemetry 0.26.0",
 ]
 
 [[package]]
 name = "opentelemetry-otlp"
-version = "0.25.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "596b1719b3cab83addb20bcbffdf21575279d9436d9ccccfe651a3bf0ab5ab06"
+checksum = "29e1f9c8b032d4f635c730c0efcf731d5e2530ea13fa8bef7939ddc8420696bd"
 dependencies = [
  "async-trait",
  "futures-core",
  "http 1.1.0",
- "opentelemetry",
+ "opentelemetry 0.26.0",
  "opentelemetry-proto",
- "opentelemetry_sdk",
+ "opentelemetry_sdk 0.26.0",
  "prost",
  "thiserror",
  "tokio",
@@ -2598,13 +2612,13 @@ dependencies = [
 
 [[package]]
 name = "opentelemetry-proto"
-version = "0.25.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c43620e8f93359eb7e627a3b16ee92d8585774986f24f2ab010817426c5ce61"
+checksum = "abbbb5e699de56aacd607631354d0ed0315e67ed36b7398849e4f8a039eaa07e"
 dependencies = [
  "hex",
- "opentelemetry",
- "opentelemetry_sdk",
+ "opentelemetry 0.26.0",
+ "opentelemetry_sdk 0.26.0",
  "prost",
  "serde",
  "tonic",
@@ -2612,20 +2626,20 @@ dependencies = [
 
 [[package]]
 name = "opentelemetry-semantic-conventions"
-version = "0.25.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b8e442487022a943e2315740e443dc5ee95fd541c18f509a5a6251b408a9f95"
+checksum = "db945c1eaea8ac6a9677185357480d215bb6999faa9f691d0c4d4d641eab7a09"
 
 [[package]]
 name = "opentelemetry-stdout"
-version = "0.25.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f76e2ded3f6e5d8b51e7aefc267022e7586975c00763aab70f807ad2cc156e94"
+checksum = "4a5c185afbc26decc6f10d728971847e3f96532d2b3fb7db2569c1bce154509b"
 dependencies = [
  "async-trait",
  "chrono",
- "opentelemetry",
- "opentelemetry_sdk",
+ "opentelemetry 0.26.0",
+ "opentelemetry_sdk 0.26.0",
  "ordered-float",
  "serde",
  "serde_json",
@@ -2643,7 +2657,25 @@ dependencies = [
  "futures-util",
  "glob",
  "once_cell",
- "opentelemetry",
+ "opentelemetry 0.25.0",
+ "percent-encoding",
+ "rand",
+ "thiserror",
+]
+
+[[package]]
+name = "opentelemetry_sdk"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2c627d9f4c9cdc1f21a29ee4bfbd6028fcb8bcf2a857b43f3abdf72c9c862f3"
+dependencies = [
+ "async-trait",
+ "futures-channel",
+ "futures-executor",
+ "futures-util",
+ "glob",
+ "once_cell",
+ "opentelemetry 0.26.0",
  "percent-encoding",
  "rand",
  "serde_json",
@@ -3037,7 +3069,7 @@ 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",
@@ -4313,14 +4345,14 @@ dependencies = [
  "axum",
  "http 1.1.0",
  "insta",
- "opentelemetry",
+ "opentelemetry 0.26.0",
  "opentelemetry-appender-tracing",
  "opentelemetry-http",
  "opentelemetry-otlp",
  "opentelemetry-proto",
  "opentelemetry-semantic-conventions",
  "opentelemetry-stdout",
- "opentelemetry_sdk",
+ "opentelemetry_sdk 0.26.0",
  "rand",
  "reqwest 0.12.8",
  "serde",
@@ -4928,8 +4960,8 @@ checksum = "5eabc56d23707ad55ba2a0750fc24767125d5a0f51993ba41ad2c441cc7b8dea"
 dependencies = [
  "js-sys",
  "once_cell",
- "opentelemetry",
- "opentelemetry_sdk",
+ "opentelemetry 0.25.0",
+ "opentelemetry_sdk 0.25.0",
  "smallvec",
  "tracing",
  "tracing-core",
diff --git a/crates/synd_o11y/Cargo.toml b/crates/synd_o11y/Cargo.toml
index 0790d2a..2086f3a 100644
--- a/crates/synd_o11y/Cargo.toml
+++ b/crates/synd_o11y/Cargo.toml
@@ -15,13 +15,13 @@ version     = "0.1.8"
 [dependencies]
 axum                               = { workspace = true }
 http                               = { workspace = true }
-opentelemetry                      = { version = "0.25.0" }
-opentelemetry-appender-tracing     = { version = "0.25.0", default-features = false }                                                        # disable logs_level_enabled which affect global filtering
-opentelemetry-http                 = { version = "0.25.0" }
-opentelemetry-otlp                 = { version = "0.25.0", default-features = false, features = ["trace", "metrics", "logs", "grpc-tonic"] }
-opentelemetry-semantic-conventions = { version = "0.25.0" }
-opentelemetry-stdout               = { version = "0.25.0", optional = true, default-features = false, features = ["metrics"] }
-opentelemetry_sdk                  = { version = "0.25.0", features = ["logs", "rt-tokio"] }
+opentelemetry                      = { version = "0.26.0" }
+opentelemetry-appender-tracing     = { version = "0.26.0", default-features = false }                                                        # disable logs_level_enabled which affect global filtering
+opentelemetry-http                 = { version = "0.26.0" }
+opentelemetry-otlp                 = { version = "0.26.0", default-features = false, features = ["trace", "metrics", "logs", "grpc-tonic"] }
+opentelemetry-semantic-conventions = { version = "0.26.0" }
+opentelemetry-stdout               = { version = "0.26.0", optional = true, default-features = false, features = ["metrics"] }
+opentelemetry_sdk                  = { version = "0.26.0", features = ["logs", "rt-tokio"] }
 rand                               = { workspace = true }
 reqwest                            = { workspace = true }
 serde                              = { workspace = true, features = ["derive"] }
@@ -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 = "0.26.0", features = ["gen-tonic", "trace", "metrics", "logs", "with-serde"] }
 tokio               = { workspace = true, features = ["macros", "rt-multi-thread", "sync"] }
 tonic               = { version = "0.12.3", features = ["transport"] }