diff --git a/Cargo.lock b/Cargo.lock
index 832a7ef..79533f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -718,7 +718,7 @@ dependencies = [
  "irtt-proto",
  "libc",
  "socket2",
- "thiserror 2.0.18",
+ "thiserror 2.0.19",
 ]
 
 [[package]]
@@ -728,7 +728,7 @@ dependencies = [
  "hmac",
  "md-5",
  "subtle",
- "thiserror 2.0.18",
+ "thiserror 2.0.19",
 ]
 
 [[package]]
@@ -778,7 +778,7 @@ checksum = "bde5057d6143cc94e861d90f591b9303d6716c6b9602309150bd068853c10899"
 dependencies = [
  "hashbrown 0.16.1",
  "portable-atomic",
- "thiserror 2.0.18",
+ "thiserror 2.0.19",
 ]
 
 [[package]]
@@ -1251,7 +1251,7 @@ dependencies = [
  "palette",
  "serde",
  "strum",
- "thiserror 2.0.18",
+ "thiserror 2.0.19",
  "unicode-segmentation",
  "unicode-truncate",
  "unicode-width",
@@ -1663,11 +1663,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.18"
+version = "2.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
+checksum = "09a43598840e33d5b0331f38c5e30d13bb11c11210a4b58f0d9b18a5a5eefcd9"
 dependencies = [
- "thiserror-impl 2.0.18",
+ "thiserror-impl 2.0.19",
 ]
 
 [[package]]
@@ -1683,13 +1683,13 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.18"
+version = "2.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
+checksum = "43cbfe0cf76104d42a574802844187e84a305e531ed54455f11fbde0f10541cd"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.118",
+ "syn 3.0.2",
 ]
 
 [[package]]
diff --git a/crates/irtt-client/Cargo.toml b/crates/irtt-client/Cargo.toml
index fbb09d7..72e4187 100644
--- a/crates/irtt-client/Cargo.toml
+++ b/crates/irtt-client/Cargo.toml
@@ -15,7 +15,7 @@ categories = ["network-programming"]
 irtt-proto.workspace = true
 libc = { version = "0.2.186", optional = true }
 socket2 = { version = "0.6.4", features = ["all"] }
-thiserror = "2.0.18"
+thiserror = "2.0.19"
 
 [features]
 default = []
diff --git a/crates/irtt-proto/Cargo.toml b/crates/irtt-proto/Cargo.toml
index 0789f52..e748ed4 100644
--- a/crates/irtt-proto/Cargo.toml
+++ b/crates/irtt-proto/Cargo.toml
@@ -15,4 +15,4 @@ categories = ["network-programming"]
 hmac = "0.13"
 md-5 = "0.11"
 subtle = "2.6.1"
-thiserror = "2.0.18"
+thiserror = "2.0.19"