diff --git a/build.gradle.kts b/build.gradle.kts
index 6e93698..26f4b82 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -43,18 +43,18 @@ subprojects {
         compileSdkVersion(30)
 
         defaultConfig {
-            minSdk = 24
+            minSdk = 21
             targetSdk = 30
         }
 
         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" +