diff --git a/Cargo.toml b/Cargo.toml
index 353505a..da16a56 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ license-file = "LICENSE"
 readme = "README.md"
 repository = "https://git.asonix.dog/Aardwolf/http-signature-normalization"
 keywords = ["http", "signatures", "digest"]
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/http-signature-normalization-actix/Cargo.toml b/http-signature-normalization-actix/Cargo.toml
index 61efe29..b582b74 100644
--- a/http-signature-normalization-actix/Cargo.toml
+++ b/http-signature-normalization-actix/Cargo.toml
@@ -7,7 +7,7 @@ license-file = "LICENSE"
 readme = "README.md"
 repository = "https://git.asonix.dog/Aardwolf/http-signature-normalization"
 keywords = ["http", "signatures", "digest", "actix"]
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]
diff --git a/http-signature-normalization-reqwest/Cargo.toml b/http-signature-normalization-reqwest/Cargo.toml
index eb60a0a..b88bba0 100644
--- a/http-signature-normalization-reqwest/Cargo.toml
+++ b/http-signature-normalization-reqwest/Cargo.toml
@@ -7,7 +7,7 @@ license-file = "LICENSE"
 readme = "README.md"
 repository = "https://git.asonix.dog/Aardwolf/http-signature-normalization"
 keywords = ["http", "signatures", "digest", "reqwest"]
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]