diff --git a/packages/postman/pubspec.yaml b/packages/postman/pubspec.yaml
index 29f8fcd0..a649fac4 100644
--- a/packages/postman/pubspec.yaml
+++ b/packages/postman/pubspec.yaml
@@ -1,6 +1,6 @@
 name: postman
 description: Seamlessly work with postman collections
-version: 0.0.1-dev.1
+version: 0.0.1-dev.2
 homepage: https://github.com/foss42/apidash
 
 environment:
@@ -8,8 +8,11 @@ environment:
 
 # Add regular dependencies here.
 dependencies:
-  # path: ^1.8.0
+  freezed_annotation: ^2.4.4
 
 dev_dependencies:
+  build_runner: ^2.4.12
+  freezed: ^2.5.7
+  json_serializable: ^6.7.1
   lints: ^4.0.0
   test: ^1.24.0