diff --git a/.clippy.toml b/.clippy.toml
index ec0fa1f1c..e9b576d3a 100644
--- a/.clippy.toml
+++ b/.clippy.toml
@@ -1,2 +1,2 @@
 # Specify the minimum supported Rust version
-msrv = "1.57.0"
+msrv = "1.64.0"
diff --git a/src/bindgen/config.rs b/src/bindgen/config.rs
index 9acc5bd1f..2c333a8c0 100644
--- a/src/bindgen/config.rs
+++ b/src/bindgen/config.rs
@@ -61,8 +61,10 @@ impl Language {
 /// Controls what type of line endings are used in the generated code.
 #[derive(Debug, Clone, Copy)]
 #[allow(clippy::upper_case_acronyms)]
+#[derive(Default)]
 pub enum LineEndingStyle {
     /// Use Unix-style linefeed characters
+    #[default]
     LF,
     /// Use classic Mac-style carriage-return characters
     CR,
@@ -72,11 +74,7 @@ pub enum LineEndingStyle {
     Native,
 }
 
-impl Default for LineEndingStyle {
-    fn default() -> Self {
-        LineEndingStyle::LF
-    }
-}
+
 
 impl LineEndingStyle {
     pub fn as_str(&self) -> &'static str {
@@ -214,7 +212,9 @@ deserialize_enum_str!(DocumentationLength);
 
 /// A style of Style to use when generating structs and enums.
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default)]
 pub enum Style {
+    #[default]
     Both,
     Tag,
     Type,
@@ -245,11 +245,7 @@ impl Style {
     }
 }
 
-impl Default for Style {
-    fn default() -> Self {
-        Style::Both
-    }
-}
+
 
 impl FromStr for Style {
     type Err = String;
diff --git a/src/bindgen/ir/repr.rs b/src/bindgen/ir/repr.rs
index 971320187..dbe62ab15 100644
--- a/src/bindgen/ir/repr.rs
+++ b/src/bindgen/ir/repr.rs
@@ -7,17 +7,15 @@ use syn::ext::IdentExt;
 use crate::bindgen::ir::ty::{IntKind, PrimitiveType};
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default)]
 pub enum ReprStyle {
+    #[default]
     Rust,
     C,
     Transparent,
 }
 
-impl Default for ReprStyle {
-    fn default() -> Self {
-        ReprStyle::Rust
-    }
-}
+
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub struct ReprType {
diff --git a/src/bindgen/rename.rs b/src/bindgen/rename.rs
index e58b7a5ae..69b33deba 100644
--- a/src/bindgen/rename.rs
+++ b/src/bindgen/rename.rs
@@ -29,8 +29,10 @@ impl<'a> IdentifierType<'a> {
 
 /// A rule to apply to an identifier when generating bindings.
 #[derive(Debug, Clone, Copy)]
+#[derive(Default)]
 pub enum RenameRule {
     /// Do not apply any renaming. The default.
+    #[default]
     None,
     /// Converts the identifier to PascalCase and adds a context dependent prefix
     GeckoCase,
@@ -93,11 +95,7 @@ impl RenameRule {
     }
 }
 
-impl Default for RenameRule {
-    fn default() -> RenameRule {
-        RenameRule::None
-    }
-}
+
 
 impl FromStr for RenameRule {
     type Err = String;
diff --git a/tests/depfile.rs b/tests/depfile.rs
index 8dc1859f3..4a622bcc1 100644
--- a/tests/depfile.rs
+++ b/tests/depfile.rs
@@ -93,7 +93,7 @@ fn test_project(project_path: &str) {
     );
 
     std::fs::remove_dir_all(build_dir).expect("Failed to remove old build directory");
-    ()
+    
 }
 
 macro_rules! test_file {
diff --git a/tests/tests.rs b/tests/tests.rs
index d978bd0b1..3846f326e 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -251,7 +251,7 @@ fn run_compile_test(
     );
     if generate_depfile {
         let depfile = depfile_contents.expect("No depfile generated");
-        assert!(depfile.len() > 0);
+        assert!(!depfile.is_empty());
         let mut rules = depfile.split(':');
         let target = rules.next().expect("No target found");
         assert_eq!(target, generated_file.as_os_str().to_str().unwrap());