diff --git a/build.gradle b/build.gradle
index 23e8701..e38d34c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,9 +20,9 @@ dependencies {
 }
 
 compileKotlin {
-    kotlinOptions.jvmTarget = '11'
+    kotlinOptions.jvmTarget = '8'
 }
 
 compileTestKotlin {
-    kotlinOptions.jvmTarget = '11'
+    kotlinOptions.jvmTarget = '8'
 }