diff --git a/Cargo.lock b/Cargo.lock
index a92ef3a18d..e1a75af134 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -730,6 +730,15 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "convert_case"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
+dependencies = [
+ "unicode-segmentation",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -2050,6 +2059,7 @@ dependencies = [
  "async-stream",
  "cached",
  "check-if-email-exists",
+ "convert_case",
  "doc-comment",
  "email_address",
  "futures",
@@ -3990,6 +4000,12 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
+
 [[package]]
 name = "unicode-width"
 version = "0.1.10"
diff --git a/lychee-lib/Cargo.toml b/lychee-lib/Cargo.toml
index 526dde965e..bfa193a80c 100644
--- a/lychee-lib/Cargo.toml
+++ b/lychee-lib/Cargo.toml
@@ -20,6 +20,7 @@ version = "0.13.0"
 async-stream = "0.3.5"
 cached = "0.44.0"
 check-if-email-exists = { version = "0.9.0", optional = true }
+convert_case = "0.6.0"
 email_address = "0.2.4"
 futures = "0.3.27"
 glob = "0.3.1"
diff --git a/lychee-lib/src/extract/markdown.rs b/lychee-lib/src/extract/markdown.rs
index 1153fd1850..a01eb67135 100644
--- a/lychee-lib/src/extract/markdown.rs
+++ b/lychee-lib/src/extract/markdown.rs
@@ -1,6 +1,7 @@
 //! Extract things from markdown documents
 use std::collections::{HashMap, HashSet};
 
+use convert_case::{Case, Casing};
 use pulldown_cmark::{Event, Parser, Tag};
 
 use crate::{extract::plaintext::extract_plaintext, types::uri::raw::RawUri};
@@ -98,7 +99,7 @@ pub(crate) fn extract_markdown_fragments(input: &str) -> HashSet<String> {
                     out.insert(frag.to_string());
                 }
 
-                let mut id = into_kebab_case(&heading);
+                let mut id = heading.to_case(Case::Kebab);
 
                 let k_id_count = kebab_id_counter.entry(id.clone()).or_insert(0);
                 if *k_id_count != 0 {
@@ -123,22 +124,6 @@ pub(crate) fn extract_markdown_fragments(input: &str) -> HashSet<String> {
     out
 }
 
-/// Converts text into kebab case
-#[must_use]
-pub fn into_kebab_case(text: &str) -> String {
-    text.chars()
-        .filter_map(|ch| {
-            if ch.is_alphanumeric() || ch == '_' || ch == '-' {
-                Some(ch.to_ascii_lowercase())
-            } else if ch.is_whitespace() {
-                Some('-')
-            } else {
-                None
-            }
-        })
-        .collect::<String>()
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;