diff --git a/Cargo.lock b/Cargo.lock
index 246bf8d3c..21185a5e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1416,7 +1416,7 @@ dependencies = [
  "serde_json",
  "serde_with",
  "tar",
- "thiserror 1.0.69",
+ "thiserror 2.0.9",
  "tokio",
  "tokio-tungstenite",
  "toml",
@@ -1554,7 +1554,7 @@ dependencies = [
  "stretto",
  "tar",
  "tempfile",
- "thiserror 1.0.69",
+ "thiserror 2.0.9",
  "time",
  "tokio",
  "tokio-tungstenite",
diff --git a/crates/core/Cargo.toml b/crates/core/Cargo.toml
index 5293234fc..552537a9c 100644
--- a/crates/core/Cargo.toml
+++ b/crates/core/Cargo.toml
@@ -55,7 +55,7 @@ sqlx = { features = ["runtime-tokio-rustls", "sqlite"], optional = true, version
 stretto = { features = ["async", "sync"], version = "0.8" }
 tar = { version = "0.4" }
 time = "0.3"
-thiserror = "1"
+thiserror = "2"
 tokio = { features = ["fs", "macros", "rt-multi-thread", "sync", "process"], version = "1" }
 tokio-tungstenite = "0.24"
 tower-http = { features = ["fs", "trace"], version = "0.6" }
diff --git a/crates/fdev/Cargo.toml b/crates/fdev/Cargo.toml
index 18bce56f6..1dbe29c4b 100644
--- a/crates/fdev/Cargo.toml
+++ b/crates/fdev/Cargo.toml
@@ -27,7 +27,7 @@ serde_json = "1"
 serde_with = { workspace = true }
 semver = { workspace = true }
 tar = "0.4"
-thiserror = "1"
+thiserror = "2"
 tokio = { version = "1", features = ["rt-multi-thread", "sync", "macros", "signal", "parking_lot", "process"] }
 tokio-tungstenite = "0.24"
 toml = { version = "0.8", features = ["default", "preserve_order"] }