diff --git a/Cargo.toml b/Cargo.toml
index 515d89c..a0f1eb8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "simple-easing"
 version = "1.0.0"
 description = "Set of simple easing functions"
-edition = "2018"
+edition = "2021"
 repository = "https://gitlab.com/chpio/simple-easing"
 license = "MIT OR Apache-2.0"
 include = [