diff --git a/Cargo.lock b/Cargo.lock
index 8511858..217e1b6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -605,18 +605,18 @@ dependencies = [
 
 [[package]]
 name = "enum-iterator"
-version = "0.7.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eeac5c5edb79e4e39fe8439ef35207780a11f69c52cbe424ce3dfad4cb78de6"
+checksum = "2953d1df47ac0eb70086ccabf0275aa8da8591a28bd358ee2b52bd9f9e3ff9e9"
 dependencies = [
  "enum-iterator-derive",
 ]
 
 [[package]]
 name = "enum-iterator-derive"
-version = "0.7.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c134c37760b27a871ba422106eedbb8247da973a09e82558bf26d619c882b159"
+checksum = "8958699f9359f0b04e691a13850d48b7de329138023876d07cbd024c2c820598"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index ed02820..8c9bff1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ include = ["src/main.rs"]
 [dependencies]
 anyhow = "1"
 clap = { version = "3", features = ["derive", "cargo"] }
-enum-iterator = "0.7"
+enum-iterator = "0.8"
 serde = { version = "1", features = ["derive"] }
 tokio = { version = "1", features = ["full"] }
 toml = "0.5"
diff --git a/src/main.rs b/src/main.rs
index 2babb76..82c05ab 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -311,7 +311,7 @@ async fn help(room: Joined) -> Result<()> {
         msg.push_str(&command.to_string());
         msg.push_str(" - ");
         msg.push_str(command.help_text());
-        msg.push_str("\n");
+        msg.push('\n');
     }
     let content = RoomMessageEventContent::notice_plain(msg);
     room.send(content, None).await?;