diff --git a/.github/workflows/continuous-integration-pecl.yml b/.github/workflows/continuous-integration-pecl.yml
index ae0f6d97..496ea908 100644
--- a/.github/workflows/continuous-integration-pecl.yml
+++ b/.github/workflows/continuous-integration-pecl.yml
@@ -30,7 +30,10 @@ jobs:
sudo apt-get install -y autoconf automake libtool bison re2c valgrind
- name: Install Composer dependencies
- run: composer install --prefer-dist --no-progress
+ run: composer install --no-dev --prefer-dist --no-progress
+
+ - name: Install PHPUnit
+ run: composer require phpunit/phpunit --dev --prefer-dist --no-progress
- name: Build extension
id: build_extension
diff --git a/README.md b/README.md
index ec51948f..13b1cd22 100644
--- a/README.md
+++ b/README.md
@@ -246,7 +246,9 @@ SevericeLocator::setReader(new AttributeReader);`
## Technical Information
-* [Class Diagram](https://ray-di.github.io/Ray.Aop/images/php-class-diagram.svg) - Class interrelationship diagram created by [php-class-diagram](https://github.com/smeghead/php-class-diagram).
+For more detailed technical information, please refer to the following resources:
+
+- [Class Diagram](https://ray-di.github.io/Ray.Aop/images/php-class-diagram.html)
---
diff --git a/docs/php-class-diagram.html b/docs/php-class-diagram.html
new file mode 100644
index 00000000..e613e8fb
--- /dev/null
+++ b/docs/php-class-diagram.html
@@ -0,0 +1,17 @@
+
+
+ Ray.Aop Class Diagram
+
+
+ .
+
+
+
+
+
+