diff --git a/opml_api/Cargo.toml b/opml_api/Cargo.toml
index 171796c..e29ec5d 100644
--- a/opml_api/Cargo.toml
+++ b/opml_api/Cargo.toml
@@ -8,16 +8,16 @@ version = "1.1.4"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/Holllo/opml"
 readme = "../README.md"
-edition = "2018"
+edition = "2021"
 keywords = ["xml", "opml"]
 
 [lib]
 path = "source/lib.rs"
 
 [dependencies]
-hard-xml = "1.10.0"
-thiserror = "1.0.29"
+hard-xml = "1.13.0"
+thiserror = "1.0.37"
 
 [dependencies.serde]
-version = "1.0.130"
+version = "1.0.145"
 features = ["derive"]