diff --git a/Cargo.toml b/Cargo.toml
index db484d5..6b2b0c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "ceviche"
 version = "0.5.2"
-edition = "2018"
+edition = "2021"
 license = "MIT/Apache-2.0"
 homepage = "https://github.com/wayk/ceviche-rs"
 repository = "https://github.com/wayk/ceviche-rs"
diff --git a/examples/foobar/Cargo.toml b/examples/foobar/Cargo.toml
index 2ee5bd0..5cb702f 100644
--- a/examples/foobar/Cargo.toml
+++ b/examples/foobar/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "foobar_service"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 license = "MIT/Apache-2.0"
 homepage = "https://github.com/wayk/ceviche-rs"
 repository = "https://github.com/wayk/ceviche-rs"