diff --git a/Cargo.toml b/Cargo.toml
index 25adf5e..6cba00a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ config = "./spellcheck.toml"
 [dependencies]
 # Errors
 anyhow = "1.0.75"
-thiserror = "1.0.50"
+thiserror = "2.0.0"
 
 # Async
 async-std = "1.12.0"