diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 7b4372a..98fad45 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -3,7 +3,7 @@ name = "jpeg-encoder-fuzz"
 version = "0.0.0"
 authors = ["Automatically generated"]
 publish = false
-edition = "2018"
+edition = "2021"
 
 [package.metadata]
 cargo-fuzz = true