diff --git a/Cargo.lock b/Cargo.lock
index 2b7748c602..a99f6ba169 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7554,12 +7554,12 @@ dependencies = [
 
 [[package]]
 name = "tracing-appender"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3566e8ce28cc0a3fe42519fc80e6b4c943cc4c8cef275620eb8dac2d3d4e06cf"
+checksum = "786d480bce6247ab75f005b14ae1624ad978d3029d9113f0a22fa1ac773faeaf"
 dependencies = [
  "crossbeam-channel",
- "thiserror 1.0.69",
+ "thiserror 2.0.17",
  "time",
  "tracing-subscriber",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 2e2e8c4ea3..d94420a26d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -118,7 +118,7 @@ tokio-tungstenite = "0.26.2"
 tokio-util = { version = "0.7.15", features = ["codec", "compat"] }
 toml = "0.8.12"
 tracing = { version = "0.1.40", features = ["log"] }
-tracing-appender = "0.2.2"
+tracing-appender = "0.2.4"
 tracing-subscriber = { version = "0.3.19", features = ["env-filter", "fmt", "parking_lot", "time"] }
 tracing-test = "0.2.4"
 typed-path = "0.11.0"
diff --git a/crates/agent/Cargo.toml b/crates/agent/Cargo.toml
index 08f219024e..d0e5ce7fde 100644
--- a/crates/agent/Cargo.toml
+++ b/crates/agent/Cargo.toml
@@ -72,7 +72,7 @@ tokio.workspace = true
 tokio-stream.workspace = true
 tokio-util.workspace = true
 tracing.workspace = true
-tracing-appender = "0.2.3"
+tracing-appender = "0.2.4"
 tracing-subscriber.workspace = true
 url.workspace = true
 uuid.workspace = true