diff --git a/Cargo.toml b/Cargo.toml
index e07ddb384d..d591a449a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 license = "MIT/Apache-2.0"
 repository = "https://github.com/mavlink/rust-mavlink"
 edition = "2018"
-rust-version = "1.60.0"
+rust-version = "1.65.0"
 
 [build-dependencies]
 crc-any = { version = "2.3.0", default-features = false }
diff --git a/build/parser.rs b/build/parser.rs
index e797e3882f..c9303e9a32 100644
--- a/build/parser.rs
+++ b/build/parser.rs
@@ -57,17 +57,14 @@ impl MavProfile {
     fn update_enums(mut self) -> Self {
         for msg in self.messages.values() {
             for field in &msg.fields {
-                if let Some(ref enum_name) = field.enumtype {
-                    // it is an enum
-                    if let Some(ref dsp) = field.display {
-                        // it is a bitmask
-                        if dsp == "bitmask" {
-                            // find the corresponding enum
-                            for enm in self.enums.values_mut() {
-                                if enm.name == *enum_name {
-                                    // this is the right enum
-                                    enm.bitfield = Some(field.mavtype.rust_primitive_type());
-                                }
+                if let Some(enum_name) = &field.enumtype {
+                    // it is a bitmask
+                    if let Some("bitmask") = &field.display.as_deref() {
+                        // find the corresponding enum
+                        for enm in self.enums.values_mut() {
+                            if enm.name == *enum_name {
+                                // this is the right enum
+                                enm.bitfield = Some(field.mavtype.rust_primitive_type());
                             }
                         }
                     }
@@ -643,7 +640,7 @@ impl MavField {
         if matches!(self.mavtype, MavType::Array(_, _)) {
             let rt = TokenStream::from_str(&self.mavtype.rust_type()).unwrap();
             mavtype = quote!(#rt);
-        } else if let Some(ref enumname) = self.enumtype {
+        } else if let Some(enumname) = &self.enumtype {
             let en = TokenStream::from_str(enumname).unwrap();
             mavtype = quote!(#en);
         } else {
@@ -1122,7 +1119,7 @@ pub fn parse_profile(
                     let attr = attr.unwrap();
                     match stack.last() {
                         Some(&MavXmlElement::Enum) => {
-                            if let b"name" = attr.key.into_inner() {
+                            if attr.key.into_inner() == b"name" {
                                 mavenum.name = attr
                                     .value
                                     .clone()
@@ -1273,7 +1270,7 @@ pub fn parse_profile(
                         entry.description = Some(s.replace('\n', " "));
                     }
                     (Some(&Param), Some(&Entry)) => {
-                        if let Some(ref mut params) = entry.params {
+                        if let Some(params) = &mut entry.params {
                             // Some messages can jump between values, like:
                             // 0, 1, 2, 7
                             if params.len() < paramid.unwrap() {
@@ -1452,7 +1449,7 @@ impl MavXmlFilter {
                             }
                             Some(kind) => kind,
                         };
-                        if let MavXmlElement::Extensions = id {
+                        if id == MavXmlElement::Extensions {
                             self.extension_filter.is_in = true;
                         }
                     }
@@ -1467,7 +1464,7 @@ impl MavXmlFilter {
                             Some(kind) => kind,
                         };
 
-                        if let MavXmlElement::Message = id {
+                        if id == MavXmlElement::Message {
                             self.extension_filter.is_in = false;
                         }
                     }
diff --git a/src/connection/udp.rs b/src/connection/udp.rs
index 3bcd05a6f2..7357ca99c3 100644
--- a/src/connection/udp.rs
+++ b/src/connection/udp.rs
@@ -74,8 +74,7 @@ struct PacketBuf {
 
 impl PacketBuf {
     pub fn new() -> Self {
-        let mut v = Vec::new();
-        v.resize(65536, 0);
+        let v = vec![0; 65536];
         Self {
             buf: v,
             start: 0,