diff --git a/Common/build.gradle b/Common/build.gradle
index 523cc105..e85a13f8 100644
--- a/Common/build.gradle
+++ b/Common/build.gradle
@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     id 'java'
-    id "org.jetbrains.kotlin.jvm" version "1.9.0"
+    id "org.jetbrains.kotlin.jvm" version "1.4.32"
     id 'org.jetbrains.intellij' version '1.13.3'
     id 'org.jlleitschuh.gradle.ktlint' version "10.0.0"
     id 'org.jlleitschuh.gradle.ktlint-idea' version "10.0.0"
@@ -32,7 +32,7 @@ repositories {
 apply plugin: "org.jlleitschuh.gradle.ktlint-idea"
 
 dependencies {
-    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.0")
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.32")
     implementation 'org.jetbrains:annotations:24.0.0'
 }
 
diff --git a/Tabnine/build.gradle b/Tabnine/build.gradle
index ac7adedb..4c01adb5 100644
--- a/Tabnine/build.gradle
+++ b/Tabnine/build.gradle
@@ -3,7 +3,7 @@ import java.util.stream.Collectors
 
 plugins {
     id 'java'
-    id "org.jetbrains.kotlin.jvm" version "1.9.0"
+    id "org.jetbrains.kotlin.jvm" version "1.4.32"
     id 'org.jetbrains.intellij' version '1.13.3'
     id 'org.jlleitschuh.gradle.ktlint' version "10.0.0"
     id 'org.jlleitschuh.gradle.ktlint-idea' version "10.0.0"
@@ -34,7 +34,7 @@ apply plugin: "org.jlleitschuh.gradle.ktlint-idea"
 
 dependencies {
     implementation project(':Common')
-    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.0")
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.32")
 
     testImplementation "org.hamcrest:hamcrest:2.2"
     testImplementation 'org.mockito:mockito-core:5.2.0'