diff --git a/Cargo.lock b/Cargo.lock
index a3e86bd..3a2c3ab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -667,7 +667,8 @@ dependencies = [
  "parking_lot",
  "pin-project",
  "serde",
- "thiserror",
+ "serde_derive",
+ "thiserror 1.0.69",
  "tokio",
  "tokio-native-tls",
  "tokio-stream",
@@ -683,7 +684,7 @@ checksum = "259640031f2f3e6d9fa632c7b314ba1eb5d1f88b3583bd2dd2e8f17155a19b5b"
 dependencies = [
  "bytes",
  "encoding",
- "thiserror",
+ "thiserror 1.0.69",
  "tokio",
  "tokio-util",
 ]
@@ -1124,7 +1125,7 @@ checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
 dependencies = [
  "getrandom 0.2.17",
  "libredox",
- "thiserror",
+ "thiserror 1.0.69",
 ]
 
 [[package]]
@@ -1371,7 +1372,16 @@ version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 1.0.69",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
+dependencies = [
+ "thiserror-impl 2.0.18",
 ]
 
 [[package]]
@@ -1385,6 +1395,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "thiserror-impl"
+version = "2.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.1.9"
@@ -1637,7 +1658,7 @@ dependencies = [
  "once_cell",
  "rand",
  "smallvec",
- "thiserror",
+ "thiserror 1.0.69",
  "tinyvec",
  "tokio",
  "tracing",
@@ -1659,7 +1680,7 @@ dependencies = [
  "rand",
  "resolv-conf",
  "smallvec",
- "thiserror",
+ "thiserror 1.0.69",
  "tokio",
  "tracing",
  "trust-dns-proto",
@@ -1742,7 +1763,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tempfile",
- "thiserror",
+ "thiserror 2.0.18",
  "tokio",
  "tokio-native-tls",
  "tokio-test",
diff --git a/Cargo.toml b/Cargo.toml
index 89b60b9..7000886 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tracing = "0.1"
 anyhow = "1.0"
-thiserror = "1.0"
+thiserror = "2.0"
 clap = { version = "4.4", features = ["derive", "env"] }
 
 [profile.release]
diff --git a/vext-core/Cargo.toml b/vext-core/Cargo.toml
index 199eff9..cf8b090 100644
--- a/vext-core/Cargo.toml
+++ b/vext-core/Cargo.toml
@@ -38,7 +38,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 clap = { version = "4.4", features = ["derive", "env"] }
 
 # Error handling
-thiserror = "1.0"
+thiserror = "2.0"
 anyhow = "1.0"
 
 # TLS support (use vendored OpenSSL for cross-compilation)