diff --git a/README.md b/README.md
index 69e37a9da..94dcdb256 100644
--- a/README.md
+++ b/README.md
@@ -27,16 +27,18 @@ The set provides best practices to make development more fun and classes/service
 
 # Installation
 
-```shell
-# Everything
-composer require lastdragon-ru/lara-asp
+Installation of the root `lastdragon-ru/lara-asp` package is not recommended because it will install all packages, but some of them are intended to use while dev only (and may want dependencies like `phpunit`/`phpstan`/etc). So select the desired package and install it. You can find requirements and installation instructions (if any) inside package documentation.
 
-# Specific package (where "core" the package name)
-composer require lastdragon-ru/lara-asp-core
+```shell
+# General case (where "<package>" the package name).
+composer require lastdragon-ru/lara-asp-<package>
 ```
 
 # Packages
 
+| 🐝 | Package intended to use in dev. |
+|:--:|---------------------------------|
+
 [include:package-list]: ./packages
 [//]: # (start: df3ee6374fabefbdeb79b26164b3f2ef88f6ed94646bb5d44751ea6da758de19)
 [//]: # (warning: Generated automatically. Do not edit.)
@@ -93,7 +95,7 @@ This package provides a customizable wrapper around the [Symfony Serializer Comp
 
 [Read more](<packages/serializer/README.md>).
 
-## Testing Helpers
+## Testing Helpers 🐝
 
 This package provides various useful asserts for [PHPUnit](https://phpunit.de/) and alternative solution for HTTP tests - testing HTTP response has never been so easy! And this not only about `TestResponse` but any PSR response 😎
 
diff --git a/UPGRADE.md b/UPGRADE.md
new file mode 100644
index 000000000..cb3fc9758
--- /dev/null
+++ b/UPGRADE.md
@@ -0,0 +1,51 @@
+# Upgrade Guide
+
+[include:file]: ./docs/Shared/Upgrade.md
+[//]: # (start: 39d35167e0d4cea1b3b411d449b79f0b6df5fcbf65c5d8b9775671fe5603b7c9)
+[//]: # (warning: Generated automatically. Do not edit.)
+
+## Instructions
+
+1. Determine the current version (`composer info ...`)
+2. Choose the wanted version
+3. Follow the instructions
+4. ??????
+5. PROFIT
+
+For example, if the current version is `2.x` and you want to migrate to `5.x`, you need to perform all steps in the following order:
+
+* "Upgrade from v2"
+* "Upgrade from v3"
+* "Upgrade from v4"
+
+Please also see [changelog](https://github.com/LastDragon-ru/lara-asp/releases) to find all changes.
+
+## Legend
+
+| 🤝 | Backward-compatible change. Please note that despite you can ignore it now, but it will be mandatory in the future. |
+|:--:|---------------------------------------------------------------------------------------------------------------------|
+
+[//]: # (end: 39d35167e0d4cea1b3b411d449b79f0b6df5fcbf65c5d8b9775671fe5603b7c9)
+
+# Packages
+
+[include:package-list]: ./packages ({"template": "upgradable"})
+[//]: # (start: 39292ac87c6fc1ec1884b9449c69f39245874999bd085380a87c7473ffae043b)
+[//]: # (warning: Generated automatically. Do not edit.)
+
+* [Core](<packages/core/UPGRADE.md>)
+* [Documentator](<packages/documentator/UPGRADE.md>)
+* [Eloquent Helpers](<packages/eloquent/UPGRADE.md>)
+* [Formatter](<packages/formatter/UPGRADE.md>)
+* [GraphQL Extensions for Lighthouse](<packages/graphql/UPGRADE.md>)
+* [GraphQL Printer](<packages/graphql-printer/UPGRADE.md>)
+* [Migrator](<packages/migrator/UPGRADE.md>)
+* [SPA Helpers](<packages/spa/UPGRADE.md>)
+* [Serializer](<packages/serializer/UPGRADE.md>)
+* [Testing Helpers 🐝](<packages/testing/UPGRADE.md>)
+
+[//]: # (end: 39292ac87c6fc1ec1884b9449c69f39245874999bd085380a87c7473ffae043b)
+
+# Upgrade from v5
+
+* [ ] Installation of the root `lastdragon-ru/lara-asp` package is not recommended anymore 🤝
diff --git a/docs/Shared/InstallationDev.md b/docs/Shared/InstallationDev.md
new file mode 100644
index 000000000..a72d9161c
--- /dev/null
+++ b/docs/Shared/InstallationDev.md
@@ -0,0 +1,9 @@
+# Installation
+
+> [!NOTE]
+>
+> The package intended to use in dev.
+
+```shell
+composer require --dev lastdragon-ru/lara-asp-${package}
+```
diff --git a/packages/documentator/defaults/views/package-list/upgrade.blade.php b/packages/documentator/defaults/views/package-list/upgradable.blade.php
similarity index 100%
rename from packages/documentator/defaults/views/package-list/upgrade.blade.php
rename to packages/documentator/defaults/views/package-list/upgradable.blade.php
diff --git a/packages/documentator/src/Preprocessor/Instructions/IncludePackageList/InstructionTest.php b/packages/documentator/src/Preprocessor/Instructions/IncludePackageList/InstructionTest.php
index 2ea6eca43..d1277d011 100644
--- a/packages/documentator/src/Preprocessor/Instructions/IncludePackageList/InstructionTest.php
+++ b/packages/documentator/src/Preprocessor/Instructions/IncludePackageList/InstructionTest.php
@@ -97,8 +97,8 @@ public function testProcessNoTitle(): void {
      */
     public static function dataProviderProcess(): array {
         return [
-            'default' => ['~default.md', 'default'],
-            'upgrade' => ['~upgrade.md', 'upgrade'],
+            'default'    => ['~default.md', 'default'],
+            'upgradable' => ['~upgradable.md', 'upgradable'],
         ];
     }
     // </editor-fold>
diff --git a/packages/documentator/src/Preprocessor/Instructions/IncludePackageList/InstructionTest~upgrade.md b/packages/documentator/src/Preprocessor/Instructions/IncludePackageList/InstructionTest~upgradable.md
similarity index 100%
rename from packages/documentator/src/Preprocessor/Instructions/IncludePackageList/InstructionTest~upgrade.md
rename to packages/documentator/src/Preprocessor/Instructions/IncludePackageList/InstructionTest~upgradable.md
diff --git a/packages/testing/README.md b/packages/testing/README.md
index 5d5b16815..cd1d3a40b 100644
--- a/packages/testing/README.md
+++ b/packages/testing/README.md
@@ -1,4 +1,4 @@
-# Testing Helpers
+# Testing Helpers 🐝
 
 This package provides various useful asserts for [PHPUnit](https://phpunit.de/) and alternative solution for HTTP tests - testing HTTP response has never been so easy! And this not only about `TestResponse` but any PSR response 😎
 
@@ -25,17 +25,21 @@ This package provides various useful asserts for [PHPUnit](https://phpunit.de/)
 
 [//]: # (end: 876a9177c0e8e3722ac84e8f3888245fc9070a64a87dedfe7c9d9ba2a13b374b)
 
-[include:template]: ../../docs/Shared/Installation.md ({"data": {"package": "testing"}})
-[//]: # (start: 5a3ab424b5419398e67a76495351503570fa33421481357861dc96f3ac4d841d)
+[include:template]: ../../docs/Shared/InstallationDev.md ({"data": {"package": "testing"}})
+[//]: # (start: 9c57d43303e5ef82308c0c83e328e2a47be808a50cd12d6fc5bcfd9229e2fa7c)
 [//]: # (warning: Generated automatically. Do not edit.)
 
 # Installation
 
+> [!NOTE]
+>
+> The package intended to use in dev.
+
 ```shell
-composer require lastdragon-ru/lara-asp-testing
+composer require --dev lastdragon-ru/lara-asp-testing
 ```
 
-[//]: # (end: 5a3ab424b5419398e67a76495351503570fa33421481357861dc96f3ac4d841d)
+[//]: # (end: 9c57d43303e5ef82308c0c83e328e2a47be808a50cd12d6fc5bcfd9229e2fa7c)
 
 # Usage