diff --git a/Cargo.toml b/Cargo.toml
index 008e110..d600489 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "cloudevents-sdk"
 version = "0.8.0"
 authors = ["Francesco Guardiani <francescoguard@gmail.com>"]
 license-file = "LICENSE"
-edition = "2018"
+edition = "2021"
 description = "CloudEvents official Rust SDK"
 documentation = "https://docs.rs/cloudevents-sdk"
 readme = "README.md"
diff --git a/example-projects/reqwest-wasm-example/Cargo.toml b/example-projects/reqwest-wasm-example/Cargo.toml
index 1be202c..92ea9f4 100644
--- a/example-projects/reqwest-wasm-example/Cargo.toml
+++ b/example-projects/reqwest-wasm-example/Cargo.toml
@@ -2,7 +2,7 @@
 name = "reqwest-wasm-example"
 version = "0.3.0"
 authors = ["Francesco Guardiani <francescoguard@gmail.com>"]
-edition = "2018"
+edition = "2021"
 
 # Config mostly pulled from: https://github.com/rustwasm/wasm-bindgen/blob/master/examples/fetch/Cargo.toml