diff --git a/java-std/{{cookiecutter.app_name}}/src/main/java/io/eigr/spawn/java/service/PostalCodeService.java b/java-std/{{cookiecutter.app_name}}/src/main/java/io/eigr/spawn/java/service/PostalCodeService.java
index 933f0ad..20b2ec7 100644
--- a/java-std/{{cookiecutter.app_name}}/src/main/java/io/eigr/spawn/java/service/PostalCodeService.java
+++ b/java-std/{{cookiecutter.app_name}}/src/main/java/io/eigr/spawn/java/service/PostalCodeService.java
@@ -1,5 +1,7 @@
 package io.eigr.spawn.java.service;
 
+import java.util.Map;
+
 public interface PostalCodeService {
     Map<String, String> find(String postalCode);
 }