diff --git a/Cargo.toml b/Cargo.toml
index 1e6c403..1a24ddb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ repository = "https://git.asonix.dog/Aardwolf/activitystreams"
 documentation = "https://docs.rs/activitystreams"
 readme = "README.md"
 keywords = ["activitystreams", "activitypub"]
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/activitystreams-ext/Cargo.toml b/activitystreams-ext/Cargo.toml
index aecd0ce..d1ed49d 100644
--- a/activitystreams-ext/Cargo.toml
+++ b/activitystreams-ext/Cargo.toml
@@ -8,7 +8,7 @@ repository = "https://git.asonix.dog/Aardwolf/activitystreams"
 documentation = "https://docs.rs/activitystreams-ext"
 readme = "README.md"
 keywords = ["activitystreams", "activitypub"]
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html