diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f9dfd0..faa900d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,13 +17,6 @@ A dependency update to an incompatible version is considered a breaking change.
 
 ## Unreleased
 
-## v0.2.0 - 2025-01-01
-
-### Changed
-
-- **(breaking)** Updated `axum-core` dependency to `0.5.0`
-- Relaxed lower bound on `http` dependency to `1.0.0`
-
 ## v0.1.3 - 2024-12-21
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index b976823..81cf422 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,10 +1,10 @@
 [package]
 name = "el"
-version = "0.2.0"
-edition = "2024"
+version = "0.1.3"
+edition = "2021"
 authors = ["Garmelon <garmelon@plugh.de>"]
 description = "Write and manipulate HTML elements as data"
-repository = "https://git.plugh.de/Garmelon/el"
+repository = "https://github.com/Garmelon/el"
 license = "MIT OR Apache-2.0"
 keywords = ["html", "svg", "mathml", "hiccup"]
 categories = ["web-programming", "template-engine"]
@@ -13,18 +13,16 @@ categories = ["web-programming", "template-engine"]
 axum = ["dep:axum-core", "dep:http"]
 
 [dependencies]
-axum-core = { version = "0.5.0", optional = true }
-http = { version = "1.0.0", optional = true }
+axum-core = { version = "0.4.5", optional = true }
+http = { version = "1.1.0", optional = true }
 
 [lints]
 rust.unsafe_code = { level = "forbid", priority = 1 }
 # Lint groups
-rust.deprecated-safe = "warn"
-rust.future-incompatible = "warn"
-rust.keyword-idents = "warn"
-rust.nonstandard-style = "warn"
-rust.refining-impl-trait = "warn"
-rust.rust-2018-idioms = "warn"
+rust.deprecated_safe = "warn"
+rust.future_incompatible = "warn"
+rust.keyword_idents = "warn"
+rust.rust_2018_idioms = "warn"
 rust.unused = "warn"
 # Individual lints
 rust.let_underscore_drop = "warn"
diff --git a/README.md b/README.md
index 842db85..c3c9bc5 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ See the top-level crate documentation for more info.
 
 ## But what about that small helper function?
 
-Here it is in full, for posterity:
+Here it is in full, for posteriority:
 
 ```js
 function el(name, attributes, ...children) {
diff --git a/src/axum.rs b/src/axum.rs
index d0b7c64..44059bb 100644
--- a/src/axum.rs
+++ b/src/axum.rs
@@ -1,5 +1,5 @@
 use axum_core::response::IntoResponse;
-use http::{HeaderValue, StatusCode, header};
+use http::{header, HeaderValue, StatusCode};
 
 use crate::{Document, Render};
 
diff --git a/src/check.rs b/src/check.rs
index 01f3a59..c4f3387 100644
--- a/src/check.rs
+++ b/src/check.rs
@@ -58,9 +58,10 @@ pub fn is_valid_raw_text(tag_name: &str, text: &str) -> bool {
         // "[...] followed by characters that case-insensitively match the tag
         // name of the element [...]"
         //
-        // Note: Since we know that tag names are ascii-only, we can use an
-        // ASCII-based case insensitive comparison without unicode shenanigans.
-        if !potential_tag_name.eq_ignore_ascii_case(tag_name) {
+        // Note: Since we know that tag names are ascii-only, we can convert
+        // both to lowercase for a case-insensitive comparison without weird
+        // unicode shenanigans.
+        if potential_tag_name.to_ascii_lowercase() != tag_name.to_ascii_lowercase() {
             continue;
         }
 
diff --git a/src/element.rs b/src/element.rs
index b2b12e0..b8fd828 100644
--- a/src/element.rs
+++ b/src/element.rs
@@ -1,4 +1,4 @@
-use std::collections::{BTreeMap, HashMap, btree_map::Entry};
+use std::collections::{btree_map::Entry, BTreeMap, HashMap};
 
 /// The kind of an element.
 ///
@@ -501,12 +501,8 @@ element_component_tuple!(C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11);
 element_component_tuple!(C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12);
 element_component_tuple!(C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13);
 element_component_tuple!(C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14);
-element_component_tuple!(
-    C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15
-);
-element_component_tuple!(
-    C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16
-);
+element_component_tuple!(C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15);
+element_component_tuple!(C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16);
 
 /// A full HTML document including doctype.
 ///
diff --git a/src/lib.rs b/src/lib.rs
index bf907f6..921d6dc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -84,7 +84,7 @@ pub use self::{element::*, render::*};
 
 #[cfg(test)]
 mod tests {
-    use crate::{Attr, Content, Element, Render, html::*};
+    use crate::{html::*, Attr, Content, Element, Render};
 
     #[test]
     fn simple_website() {
@@ -130,11 +130,9 @@ mod tests {
 
         assert!(script("hello </script> world").render_to_string().is_err());
 
-        assert!(
-            script("hello </ScRiPt ... world")
-                .render_to_string()
-                .is_err()
-        );
+        assert!(script("hello </ScRiPt ... world")
+            .render_to_string()
+            .is_err());
     }
 
     #[test]
diff --git a/src/render.rs b/src/render.rs
index 1109626..127574d 100644
--- a/src/render.rs
+++ b/src/render.rs
@@ -1,8 +1,9 @@
 use std::{error, fmt};
 
 use crate::{
-    Document, check,
+    check,
     element::{Content, Element, ElementKind},
+    Document,
 };
 
 /// The cause of an [`Error`].