diff --git a/build.rs b/build.rs
index 73d24b4..5a9f3ee 100644
--- a/build.rs
+++ b/build.rs
@@ -1,7 +1,7 @@
 fn main() {
     // protobuf_codegen::Codegen::new()
     //     .out_dir("src/proto")
-    //     .inputs(&[
+    //     .inputs([
     //         // "proto/names.proto",
     //         "proto/signed.proto",
     //         "proto/package.proto",
diff --git a/src/version.rs b/src/version.rs
index 93e5762..a479a74 100644
--- a/src/version.rs
+++ b/src/version.rs
@@ -191,7 +191,7 @@ impl pubgrub::version::Version for Version {
             match last_component {
                 Identifier::Numeric(pre) => *pre += 1,
                 Identifier::AlphaNumeric(pre) => {
-                    let mut segments = split_alphanumeric(&pre);
+                    let mut segments = split_alphanumeric(pre);
                     let last_segment = segments.last_mut().unwrap();
 
                     match last_segment {
@@ -199,7 +199,7 @@ impl pubgrub::version::Version for Version {
                         AlphaOrNumeric::Alpha(alpha) => {
                             // We should potentially be smarter about this (for instance, pick the next letter in the
                             // alphabetic sequence), however, this seems like it could be quite a bit more complex.
-                            alpha.push_str("1")
+                            alpha.push('1')
                         }
                     }