diff --git a/CHANGELOG.md b/CHANGELOG.md
index 596655b..7d6cfb5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file.
 ### Breaking changes
 
 * Bump minimum supported Rust version (MSRV) to 1.91.0.
+* `logforth-append-opentelemetry` upgrades `opentelemetry`, `opentelemetry-otlp` and `opentelemetry_sdk` to 0.33.1.
 
 ## [0.30.1] 2026-06-03
 
diff --git a/Cargo.toml b/Cargo.toml
index f4c7ff7..c0b661b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -66,9 +66,9 @@ jiff = { version = "0.2" }
 libc = { version = "0.2.162" }
 log = { version = "0.4.31", default-features = false }
 oneshot = { version = "0.2.1", default-features = false, features = ["std"] }
-opentelemetry = { version = "0.32.0", default-features = false }
-opentelemetry-otlp = { version = "0.32.0", default-features = false }
-opentelemetry_sdk = { version = "0.32.0", default-features = false }
+opentelemetry = { version = "0.33.1", default-features = false }
+opentelemetry-otlp = { version = "0.33.1", default-features = false }
+opentelemetry_sdk = { version = "0.33.1", default-features = false }
 pin-project = { version = "1.1.10" }
 pollster = { version = "0.4.0" }
 rand = { version = "0.10.1" }