diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06ba9b321..f33105460 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0).
 
 ## 4.3.0
 
+## 4.2.3
+
+### Fixed
+
+- Fixed a simple-json library is absent in the distribution in [#951](https://github.com/magento/magento2-phpstorm-plugin/pull/951)
+
 ## 4.2.2
 
 ### Added
diff --git a/build.gradle b/build.gradle
index 66a355efc..e8882a0e0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -106,6 +106,7 @@ idea {
 
 dependencies {
     testImplementation 'junit:junit:4.13'
+    implementation 'com.googlecode.json-simple:json-simple:1.1.1'
 }
 
 test {