diff --git a/0aEXPLORATION/candle_tensor_programs/Cargo.toml b/0aEXPLORATION/candle_tensor_programs/Cargo.toml
index c5073bfd..60608661 100644
--- a/0aEXPLORATION/candle_tensor_programs/Cargo.toml
+++ b/0aEXPLORATION/candle_tensor_programs/Cargo.toml
@@ -7,7 +7,7 @@ description = "Exploration crate: apply small expression programs (Lisp) element
 [dependencies]
 candle-core = { path = "../../candle-core" }
 anyhow = "1"
-thiserror = "1"
+thiserror = "2"
 
 [features]
 default = ["lisp"]
diff --git a/Cargo.toml b/Cargo.toml
index 273c84b4..f3f3f048 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -92,7 +92,7 @@ safetensors = "0.4.1"
 serde = { version = "1.0.171", features = ["derive"] }
 serde_plain = "1.0.2"
 serde_json = "1.0.99"
-thiserror = "1"
+thiserror = "2"
 tokenizers = { version = "0.21.0", default-features = false }
 tracing = "0.1.37"
 tracing-chrome = "0.7.1"