diff --git a/build.gradle.kts b/build.gradle.kts
index 7f82911..7d6e19e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -50,13 +50,13 @@ subprojects {
         }
 
         compileOptions {
-            sourceCompatibility = JavaVersion.VERSION_11
-            targetCompatibility = JavaVersion.VERSION_11
+            sourceCompatibility = JavaVersion.VERSION_1_8
+            targetCompatibility = JavaVersion.VERSION_1_8
         }
 
         tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
             kotlinOptions {
-                jvmTarget = "11" // Required
+                jvmTarget = "1.8" // Required
                 // Disables some unnecessary features
                 freeCompilerArgs = freeCompilerArgs +
                         "-Xno-call-assertions" +