diff --git a/recipes/json_dto/all/conanfile.py b/recipes/json_dto/all/conanfile.py
index 8e39c9590814b2..44aa1adf3256ae 100644
--- a/recipes/json_dto/all/conanfile.py
+++ b/recipes/json_dto/all/conanfile.py
@@ -59,7 +59,7 @@ def package(self):
         copy(self, pattern="LICENSE", dst=os.path.join(self.package_folder, "licenses"), src=self.source_folder)
         copy(
             self,
-            pattern="pub.hpp",
+            pattern="*.hpp",
             dst=os.path.join(self.package_folder, "include", "json_dto"),
             src=os.path.join(self.source_folder, "dev", "json_dto"),
         )
diff --git a/recipes/json_dto/all/test_package/example.cpp b/recipes/json_dto/all/test_package/example.cpp
index 166e1da61969ea..959a2eed78a41c 100644
--- a/recipes/json_dto/all/test_package/example.cpp
+++ b/recipes/json_dto/all/test_package/example.cpp
@@ -3,6 +3,7 @@
 #include <ctime>
 
 #include <json_dto/pub.hpp>
+#include <json_dto/validators.hpp>
 
 // Message.
 struct message_t