diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 163722c..6ebc684 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -72,6 +72,7 @@ As a heads up, we'll be running your PR through the following gauntlet:
 - `rustfmt`
 - `clippy`
 - `rustdoc`
+- [`committed`](https://github.com/crate-ci/committed) to enforce [conventional commits](conventionalcommits.org/)
 
 Check out our [CI][travis] for more information.
 
diff --git a/Cargo.lock b/Cargo.lock
index a29c233..0cfa24a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -345,7 +345,7 @@ checksum = "22813a6dc45b335f9bade10bf7271dc477e81113e89eb251a0bc2a8a81c536e1"
 dependencies = [
  "bstr",
  "csv-core",
- "itoa",
+ "itoa 0.4.8",
  "ryu",
  "serde",
 ]
@@ -525,18 +525,18 @@ checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
 
 [[package]]
 name = "enumflags2"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8672257d642ffdd235f6e9c723c2326ac1253c8f3c022e7cfd2e57da55b1131"
+checksum = "0ff9afdda4e54e2e711c7c729318e0948f427058dfdf3d27084b2d1cd6e2d8fe"
 dependencies = [
  "enumflags2_derive",
 ]
 
 [[package]]
 name = "enumflags2_derive"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33526f770a27828ce7c2792fdb7cb240220237e0ff12933ed6c23957fc5dd7cf"
+checksum = "6c17e972efecc5eaf9eeac61e004039e47926685409735ea4d0d7ba353e19acd"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -706,9 +706,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.10.1"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf"
+checksum = "a9a9d19fa1e79b6215ff29b9d6880b706147f16e9b1dbb1e4e5947b5b02bc5e3"
 dependencies = [
  "either",
 ]
@@ -719,6 +719,12 @@ version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b71991ff56294aa922b450139ee08b3bfc70982c6b2c7562771375cf73542dd4"
 
+[[package]]
+name = "itoa"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
+
 [[package]]
 name = "js-sys"
 version = "0.3.55"
@@ -745,9 +751,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.108"
+version = "0.2.112"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8521a1b57e76b1ec69af7599e75e38e7b7fad6610f037db8c79b127201b5d119"
+checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
 
 [[package]]
 name = "log"
@@ -772,9 +778,9 @@ checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
 [[package]]
 name = "memoffset"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59accc507f1338036a0477ef61afdae33cde60840f4dfe481319ce3ad116ddf9"
+checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
 dependencies = [
  "autocfg",
 ]
@@ -863,9 +869,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
+checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
 
 [[package]]
 name = "oorandom"
@@ -894,9 +900,9 @@ dependencies = [
 
 [[package]]
 name = "phf"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9fc3db1018c4b59d7d582a739436478b6035138b6aecbce989fc91c3e98409f"
+checksum = "fabbf1ead8a5bcbc20f5f8b939ee3f5b0f6f281b6ad3468b84656b658b455259"
 dependencies = [
  "phf_shared",
 ]
@@ -1024,9 +1030,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.32"
+version = "1.0.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba508cc11742c0dc5c1659771673afbab7a0efab23aa17e854cbab0837ed0b43"
+checksum = "2f84e92c0f7c9d58328b85a78557813e4bd845130db68d7184635344399423b1"
 dependencies = [
  "unicode-xid",
 ]
@@ -1163,9 +1169,9 @@ dependencies = [
 
 [[package]]
 name = "ryu"
-version = "1.0.6"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c9613b5a66ab9ba26415184cfc41156594925a9cf3a2057e57f31ff145f6568"
+checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
 
 [[package]]
 name = "same-file"
@@ -1190,9 +1196,9 @@ checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
 
 [[package]]
 name = "serde"
-version = "1.0.130"
+version = "1.0.131"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
+checksum = "b4ad69dfbd3e45369132cc64e6748c2d65cdfb001a2b1c232d128b4ad60561c1"
 dependencies = [
  "serde_derive",
 ]
@@ -1209,9 +1215,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.130"
+version = "1.0.131"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7bc1a1ab1961464eae040d96713baa5a724a8152c1222492465b54322ec508b"
+checksum = "b710a83c4e0dff6a3d511946b95274ad9ca9e5d3ae497b63fda866ac955358d2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1220,11 +1226,11 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.72"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0ffa0837f2dfa6fb90868c2b5468cad482e175f7dad97e7421951e663f2b527"
+checksum = "bcbd0344bc6533bc7ec56df11d42fb70f1b912351c0825ccb7211b59d8af7cf5"
 dependencies = [
- "itoa",
+ "itoa 1.0.1",
  "ryu",
  "serde",
 ]
diff --git a/crates/typos/src/tokens.rs b/crates/typos/src/tokens.rs
index 20750fd..a340729 100644
--- a/crates/typos/src/tokens.rs
+++ b/crates/typos/src/tokens.rs
@@ -55,8 +55,7 @@ impl Tokenizer {
 
     pub fn parse_bytes<'c>(&'c self, content: &'c [u8]) -> impl Iterator<Item = Identifier<'c>> {
         let iter = if self.unicode && !ByteSlice::is_ascii(content) {
-            let iter =
-                Utf8Chunks::new(content).flat_map(move |c| unicode_parser::iter_identifiers(c));
+            let iter = Utf8Chunks::new(content).flat_map(unicode_parser::iter_identifiers);
             itertools::Either::Left(iter)
         } else {
             itertools::Either::Right(ascii_parser::iter_identifiers(content))
diff --git a/src/bin/typos-cli/report.rs b/src/bin/typos-cli/report.rs
index 0d20f2c..d23d795 100644
--- a/src/bin/typos-cli/report.rs
+++ b/src/bin/typos-cli/report.rs
@@ -8,7 +8,6 @@ use typos_cli::report::{Context, Message, Report, Typo};
 #[derive(Copy, Clone, Debug)]
 pub struct Palette {
     error: yansi::Style,
-    warn: yansi::Style,
     info: yansi::Style,
     strong: yansi::Style,
 }
@@ -17,7 +16,6 @@ impl Palette {
     pub fn colored() -> Self {
         Self {
             error: yansi::Style::new(yansi::Color::Red),
-            warn: yansi::Style::new(yansi::Color::Yellow),
             info: yansi::Style::new(yansi::Color::Blue),
             strong: yansi::Style::default().bold(),
         }
@@ -26,7 +24,6 @@ impl Palette {
     pub fn plain() -> Self {
         Self {
             error: yansi::Style::default(),
-            warn: yansi::Style::default(),
             info: yansi::Style::default(),
             strong: yansi::Style::default(),
         }
diff --git a/src/dict.rs b/src/dict.rs
index 6206c2f..26f527c 100644
--- a/src/dict.rs
+++ b/src/dict.rs
@@ -46,7 +46,7 @@ impl BuiltIn {
         };
         corrections
             .corrections_mut()
-            .for_each(|mut s| case_correct(&mut s, word_token.case()));
+            .for_each(|s| case_correct(s, word_token.case()));
         Some(corrections)
     }
 }