diff --git a/Cargo.toml b/Cargo.toml
index 408e29a..924b496 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,8 +15,8 @@ include = ["src/**/*.rs", "Cargo.toml", "LICENSE", "README.md", "Contributing.md
 
 [dependencies]
 urlencoding = { version = "2.1.3", optional = true }
-serde = { version = "1.0.198", features = ["derive"], optional = true }
-thiserror = { version = "1.0.58", optional = true }
+serde = { version = "1.0.199", features = ["derive"], optional = true }
+thiserror = { version = "1.0.59", optional = true }
 num = { version = "0.4", optional = true }
 num-derive = { version = "0.4", optional = true }
 num-traits = { version = "0.2", optional = true }