diff --git a/app/build.gradle b/app/build.gradle
index d23a513..ec9276d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -41,12 +41,12 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
     }
 
     kotlinOptions {
-        jvmTarget = '11'
+        jvmTarget = '1.8'
     }
 }
 
diff --git a/fpjs-pro/build.gradle b/fpjs-pro/build.gradle
index f38ac56..a704b4f 100644
--- a/fpjs-pro/build.gradle
+++ b/fpjs-pro/build.gradle
@@ -4,7 +4,7 @@ plugins {
     id 'maven-publish'
 }
 
-publishing {
+publishing {2
     publications {
         mavenJava(MavenPublication) {
             groupId = 'com.github.fingerprintjs'
@@ -42,12 +42,12 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
     }
 
     kotlinOptions {
-        jvmTarget = '11'
+        jvmTarget = '1.8'
     }
 }