diff --git a/progenitor-client/src/progenitor_client.rs b/progenitor-client/src/progenitor_client.rs
index 8baf3b87..1b92a3e9 100644
--- a/progenitor-client/src/progenitor_client.rs
+++ b/progenitor-client/src/progenitor_client.rs
@@ -432,7 +432,7 @@ impl<E> RequestBuilderExt<E> for RequestBuilder {
         self,
         iter: I,
     ) -> Result<Self, Error<E>> {
-        use reqwest::multipart::{Form};
+        use reqwest::multipart::Form;
 
         let mut form = Form::new();
         for (name, value) in iter {
diff --git a/progenitor-impl/src/cli.rs b/progenitor-impl/src/cli.rs
index f7d265d4..a53558f6 100644
--- a/progenitor-impl/src/cli.rs
+++ b/progenitor-impl/src/cli.rs
@@ -315,19 +315,19 @@ impl Generator {
                     OperationParameterKind::Body(_) => unreachable!(),
                 };
 
-                let OperationParameterType::Type(arg_type_id) = &param.typ else {
+                let OperationParameterType::Type(arg_type_id) = &param.typ
+                else {
                     panic!()
                 };
                 let arg_type = self.type_space.get_type(arg_type_id).unwrap();
                 let arg_details = arg_type.details();
-                let arg_type_name = match &arg_details{
+                let arg_type_name = match &arg_details {
                     typify::TypeDetails::Option(opt_id) => {
-                        let inner_type = self.type_space.get_type(opt_id).unwrap();
+                        let inner_type =
+                            self.type_space.get_type(opt_id).unwrap();
                         inner_type.ident()
                     }
-                    _ => {
-                        arg_type.ident()
-                    }
+                    _ => arg_type.ident(),
                 };
 
                 let help = param.description.as_ref().map(|description| {
@@ -410,21 +410,21 @@ impl Generator {
                 let arg_name = param.name.to_kebab_case();
                 let arg_fn_name = sanitize(&param.name, Case::Snake);
                 let arg_fn = format_ident!("{}", arg_fn_name);
-                let OperationParameterType::Type(arg_type_id) = &param.typ else {
+                let OperationParameterType::Type(arg_type_id) = &param.typ
+                else {
                     panic!()
                 };
                 let arg_type = self.type_space.get_type(arg_type_id).unwrap();
 
                 // TODO this really should be simpler.
                 let arg_details = arg_type.details();
-                let arg_type_name = match &arg_details{
+                let arg_type_name = match &arg_details {
                     typify::TypeDetails::Option(opt_id) => {
-                        let inner_type = self.type_space.get_type(opt_id).unwrap();
+                        let inner_type =
+                            self.type_space.get_type(opt_id).unwrap();
                         inner_type.ident()
                     }
-                    _ => {
-                        arg_type.ident()
-                    }
+                    _ => arg_type.ident(),
                 };
 
                 quote! {
diff --git a/progenitor-impl/src/lib.rs b/progenitor-impl/src/lib.rs
index cb0406af..66a04201 100644
--- a/progenitor-impl/src/lib.rs
+++ b/progenitor-impl/src/lib.rs
@@ -2,8 +2,8 @@
 
 use std::collections::{HashMap, HashSet};
 
-use openapiv3::OpenAPI;
 use indexmap::IndexSet;
+use openapiv3::OpenAPI;
 use proc_macro2::TokenStream;
 use quote::quote;
 use serde::Deserialize;
diff --git a/progenitor-impl/src/method.rs b/progenitor-impl/src/method.rs
index 42862745..ee9e3f0c 100644
--- a/progenitor-impl/src/method.rs
+++ b/progenitor-impl/src/method.rs
@@ -1291,7 +1291,7 @@ impl Generator {
             typify::TypeDetails::Array(item, _) => {
                 Some(DropshotPagination { item })
             }
-            _ => None
+            _ => None,
         }
     }
 
diff --git a/progenitor-impl/src/template.rs b/progenitor-impl/src/template.rs
index 4049f5fe..85d2dc3e 100644
--- a/progenitor-impl/src/template.rs
+++ b/progenitor-impl/src/template.rs
@@ -37,9 +37,10 @@ impl PathTemplate {
             if let Component::Parameter(n) = &component {
                 let param = format_ident!(
                     "{}",
-                    rename
-                        .get(&n)
-                        .unwrap_or_else(|| panic!("missing path name mapping {}", n)),
+                    rename.get(&n).unwrap_or_else(|| panic!(
+                        "missing path name mapping {}",
+                        n
+                    )),
                 );
                 Some(quote! {
                     encode_path(&#param.to_string())
diff --git a/progenitor-macro/src/lib.rs b/progenitor-macro/src/lib.rs
index 247e2c76..f4517115 100644
--- a/progenitor-macro/src/lib.rs
+++ b/progenitor-macro/src/lib.rs
@@ -269,11 +269,21 @@ fn do_generate_api(item: TokenStream) -> Result<TokenStream, syn::Error> {
 
         // Force a rebuild when the given file is modified.
         const _: &str = include_str!(#path_str);
+
     };
 
-    let output = expander::Expander::new(format!("{}", std::path::PathBuf::from(spec.value()).file_name().unwrap().to_string_lossy()))
-        .fmt(expander::Edition::_2021)
-        .verbose(true)
-        .write_to_out_dir(output).expect("Writing file works. qed");
+    println!("cargo::rerun-if-changed={}", path_str);
+
+    let output = expander::Expander::new(format!(
+        "{}",
+        std::path::PathBuf::from(spec.value())
+            .file_name()
+            .unwrap()
+            .to_string_lossy()
+    ))
+    .fmt(expander::Edition::_2021)
+    .verbose(true)
+    .write_to_out_dir(output)
+    .expect("Writing file works. qed");
     Ok(output.into())
 }