diff --git a/env-settings-utils/Cargo.toml b/env-settings-utils/Cargo.toml
index c0edb11..c58f513 100644
--- a/env-settings-utils/Cargo.toml
+++ b/env-settings-utils/Cargo.toml
@@ -16,7 +16,7 @@ version.workspace = true
 
 [dependencies]
 dotenvy = "0.15"
-thiserror = "1.0"
+thiserror = "2.0"
 
 [dev-dependencies]
 assert_fs = "1.0"