diff --git a/Cargo.toml b/Cargo.toml
index 5b0415c..b9a076e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,8 @@ authors = ["makepad <info@makepad.nl>", "Fedor <not.fl3@gmail.com>"]
 license = "MIT OR Apache-2.0"
 description = """Serialization library with zero dependencies.
 Supports Binary, JSON, RON and TOML."""
-edition = "2018"
+edition = "2021"
+rust-version = "1.71.1"
 repository = "https://github.com/not-fl3/nanoserde"
 
 [features]
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 8391cb6..da83098 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -3,7 +3,7 @@ name = "nanoserde-derive"
 version = "0.2.0-beta.2"
 authors = ["Makepad <info@makepad.nl>", "Fedor <not.fl3@gmail.com>"]
 edition = "2021"
-rust-version = "1.71.1"
+rust-version = "1.78.0"
 description = "Fork of makepad-tinyserde derive without any external dependencies"
 license = "MIT"