diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d5a14e..f8681a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## 0.1.3
+
+- update dependencies
+
+## 0.1.2
+
+- add documentation
+
 ## 0.1.1
 
 - add example file
diff --git a/pubspec.lock b/pubspec.lock
index 0f5d4ec..4a37b6b 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -7,14 +7,14 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "27.0.0"
+    version: "33.0.0"
   analyzer:
     dependency: "direct main"
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0"
+    version: "3.1.0"
   args:
     dependency: transitive
     description:
@@ -35,7 +35,7 @@ packages:
       name: build
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.2.1"
   build_config:
     dependency: "direct main"
     description:
@@ -112,7 +112,7 @@ packages:
       name: dart_style
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "2.2.1"
   file:
     dependency: transitive
     description:
@@ -147,7 +147,7 @@ packages:
       name: json_config_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0"
+    version: "0.1.1"
   logging:
     dependency: transitive
     description:
@@ -217,7 +217,7 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
+    version: "1.2.1"
   source_span:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 92ef279..8724295 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,20 +1,20 @@
 name: json_config_generator
 description: Configuration generator from json files.
-version: 0.1.1
+version: 0.1.3
 homepage: https://github.com/deCardenas/json_config_generator
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
 
 dependencies:
-  analyzer: ^2.4.0
-  build: ^2.1.1
-  dart_style: ^2.2.0
-  source_gen: ^1.1.1
+  analyzer: ^3.1.0
+  build: ^2.2.1
+  dart_style: ^2.2.1
+  source_gen: ^1.2.1
   code_builder: ^4.1.0
   build_config: ^1.0.0
   built_collection: ^5.1.1
-  json_config_annotation: ^0.1.0
+  json_config_annotation: ^0.1.1
   recase: ^4.0.0
 
 dev_dependencies: