diff --git a/perlmod-macro/src/attribs.rs b/perlmod-macro/src/attribs.rs
index d439a91..13979a6 100644
--- a/perlmod-macro/src/attribs.rs
+++ b/perlmod-macro/src/attribs.rs
@@ -8,6 +8,7 @@ pub struct ModuleAttrs {
     pub file_name: Option<String>,
     pub lib_name: Option<String>,
     pub write: Option<bool>,
+    pub boot: Option<Ident>,
 }
 
 fn is_ident_check_dup<T>(path: &syn::Path, var: &Option<T>, what: &'static str) -> bool {
@@ -29,6 +30,7 @@ impl TryFrom<AttributeArgs> for ModuleAttrs {
         let mut file_name = None;
         let mut lib_name = None;
         let mut write = None;
+        let mut boot = None;
 
         for arg in args {
             match arg {
@@ -43,6 +45,8 @@ impl TryFrom<AttributeArgs> for ModuleAttrs {
                         file_name = Some(expand_env_vars(&litstr)?);
                     } else if is_ident_check_dup(&path, &lib_name, "lib") {
                         lib_name = Some(expand_env_vars(&litstr)?);
+                    } else if is_ident_check_dup(&path, &boot, "boot") {
+                        boot = Some(litstr.parse::<Ident>()?);
                     } else {
                         error!(path => "unknown argument");
                     }
@@ -70,6 +74,7 @@ impl TryFrom<AttributeArgs> for ModuleAttrs {
             file_name,
             lib_name,
             write,
+            boot,
         })
     }
 }
diff --git a/perlmod-macro/src/package.rs b/perlmod-macro/src/package.rs
index 04e000b..ac62fda 100644
--- a/perlmod-macro/src/package.rs
+++ b/perlmod-macro/src/package.rs
@@ -107,6 +107,11 @@ impl Package {
         let bootstrap_name = format!("boot_{}", self.attrs.package_name).replace("::", "__");
         let bootstrap_ident = Ident::new(&bootstrap_name, Span::call_site());
 
+        let boot = match &self.attrs.boot {
+            Some(boot) => quote! { #boot(); },
+            None => TokenStream::new(),
+        };
+
         quote! {
             #[no_mangle]
             pub extern "C" fn #bootstrap_ident(
@@ -123,6 +128,8 @@ impl Package {
                         #newxs
                     }
                 });
+
+                #boot
             }
         }
     }