diff --git a/src/lib.rs b/src/lib.rs
index c4b6431..d18bdd8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -352,7 +352,7 @@ fn handle_entries(
                 )?;
                 handle_entries(&mut modrs, &path, &outdir)?;
                 write_if_changed(&outdir.join("mod.rs"), &modrs)?;
-                writeln!(f, "pub mod {name};\n", name = filename)?;
+                writeln!(f, "pub mod {filename};\n")?;
             }
         } else if let Some(filename) = entry.file_name().to_str() {
             for suffix in &[".rs.html", ".rs.svg", ".rs.xml"] {
@@ -368,7 +368,6 @@ fn handle_entries(
                              mod template_{name};\n\
                              #[doc(inline)]\n\
                              pub use self::template_{name}::{name};\n",
-                            name = name,
                         )?;
                     }
                 }
@@ -391,13 +390,13 @@ fn handle_template(
             let mut data = Vec::new();
             t.write_rust(&mut data, name)?;
             write_if_changed(
-                &outdir.join(format!("template_{}.rs", name)),
+                &outdir.join(format!("template_{name}.rs")),
                 &data,
             )?;
             Ok(true)
         }
         Err(error) => {
-            println!("cargo:warning=Template parse error in {:?}:", path);
+            println!("cargo:warning=Template parse error in {path:?}:");
             show_errors(&mut io::stdout(), &buf, &error, "cargo:warning=");
             Ok(false)
         }
@@ -434,14 +433,14 @@ impl Error for RucteError {
 
 impl Display for RucteError {
     fn fmt(&self, out: &mut fmt::Formatter) -> fmt::Result {
-        write!(out, "Error: {:?}", self)
+        write!(out, "Error: {self:?}")
     }
 }
 impl Debug for RucteError {
     fn fmt(&self, out: &mut fmt::Formatter) -> fmt::Result {
         match self {
             RucteError::Io(err) => Display::fmt(err, out),
-            RucteError::Env(var, err) => write!(out, "{:?}: {}", var, err),
+            RucteError::Env(var, err) => write!(out, "{var:?}: {err}"),
             #[cfg(feature = "sass")]
             RucteError::Sass(err) => Debug::fmt(err, out),
         }
diff --git a/src/parseresult.rs b/src/parseresult.rs
index fbdcfb3..cd358f9 100644
--- a/src/parseresult.rs
+++ b/src/parseresult.rs
@@ -23,7 +23,7 @@ pub fn show_errors(
             }
         }
         Err::Incomplete(needed) => {
-            let msg = format!("Incomplete: {:?}", needed);
+            let msg = format!("Incomplete: {needed:?}");
             show_error(out, buf, 0, &msg, prefix);
         }
     }
@@ -32,7 +32,7 @@ pub fn show_errors(
 fn get_message(err: &VerboseErrorKind) -> Option<String> {
     match err {
         VerboseErrorKind::Context(msg) => Some((*msg).into()),
-        VerboseErrorKind::Char(ch) => Some(format!("Expected {:?}", ch)),
+        VerboseErrorKind::Char(ch) => Some(format!("Expected {ch:?}")),
         VerboseErrorKind::Nom(_err) => None,
     }
 }
diff --git a/src/staticfiles.rs b/src/staticfiles.rs
index 9de2043..4aba508 100644
--- a/src/staticfiles.rs
+++ b/src/staticfiles.rs
@@ -350,7 +350,7 @@ impl StaticFile {
             let mut input = File::open(&path)?;
             let mut buf = Vec::new();
             input.read_to_end(&mut buf)?;
-            let rust_name = format!("{}_{}", name, ext);
+            let rust_name = format!("{name}_{ext}");
             let url_name =
                 format!("{}-{}.{}", name, checksum_slug(&buf), &ext);
             self.add_static(
@@ -429,7 +429,7 @@ impl StaticFile {
     {
         let path = &self.path_for(path);
         if let Some((name, ext)) = name_and_ext(path) {
-            let rust_name = format!("{}_{}", name, ext);
+            let rust_name = format!("{name}_{ext}");
             let url_name =
                 format!("{}-{}.{}", name, checksum_slug(data), &ext);
             self.add_static(
diff --git a/src/template.rs b/src/template.rs
index f0d60e2..f3d2b59 100644
--- a/src/template.rs
+++ b/src/template.rs
@@ -36,7 +36,7 @@ impl Template {
              use super::{Html,ToHtml};\n",
         )?;
         for l in &self.preamble {
-            writeln!(out, "{};", l)?;
+            writeln!(out, "{l};")?;
         }
         writeln!(
             out,
diff --git a/src/templateexpression.rs b/src/templateexpression.rs
index aef39b0..0585c74 100644
--- a/src/templateexpression.rs
+++ b/src/templateexpression.rs
@@ -76,13 +76,13 @@ impl TemplateExpression {
         match *self {
             TemplateExpression::Comment => String::new(),
             TemplateExpression::Text { ref text } if text.is_ascii() => {
-                format!("_ructe_out_.write_all(b{:?})?;\n", text)
+                format!("_ructe_out_.write_all(b{text:?})?;\n")
             }
             TemplateExpression::Text { ref text } => {
-                format!("_ructe_out_.write_all({:?}.as_bytes())?;\n", text)
+                format!("_ructe_out_.write_all({text:?}.as_bytes())?;\n")
             }
             TemplateExpression::Expression { ref expr } => {
-                format!("{}.to_html(_ructe_out_)?;\n", expr)
+                format!("{expr}.to_html(_ructe_out_)?;\n")
             }
             TemplateExpression::ForLoop {
                 ref name,
@@ -129,8 +129,7 @@ impl TemplateExpression {
                     "{}(_ructe_out_{})?;\n",
                     name,
                     args.iter().format_with("", |arg, f| f(&format_args!(
-                        ", {}",
-                        arg
+                        ", {arg}"
                     ))),
                 )
             }
@@ -234,7 +233,7 @@ pub fn template_expression(input: &[u8]) -> PResult<TemplateExpression> {
         (i, Some(b"(")) => {
             map(terminated(expr_inside_parens, tag(")")), |expr| {
                 TemplateExpression::Expression {
-                    expr: format!("({})", expr),
+                    expr: format!("({expr})"),
                 }
             })(i)
         }
@@ -353,7 +352,7 @@ fn cond_expression(input: &[u8]) -> PResult<String> {
                     ),
                 ),
             ),
-            |(lhs, rhs)| format!("let {} = {}", lhs, rhs),
+            |(lhs, rhs)| format!("let {lhs} = {rhs}"),
         )(i),
         (_i, Some(_)) => unreachable!(),
         (i, None) => map(
diff --git a/src/templates/utils.rs b/src/templates/utils.rs
index 1b39130..15e741d 100644
--- a/src/templates/utils.rs
+++ b/src/templates/utils.rs
@@ -87,7 +87,7 @@ impl<T: Display> ToHtml for Html<T> {
 impl<T: Display> ToHtml for T {
     #[inline]
     fn to_html(&self, out: &mut dyn Write) -> io::Result<()> {
-        write!(ToHtmlEscapingWriter(out), "{}", self)
+        write!(ToHtmlEscapingWriter(out), "{self}")
     }
 }