diff --git a/build.gradle.kts b/build.gradle.kts
index e7f6d14..b823a05 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -51,8 +51,8 @@ dependencies {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_14
-    targetCompatibility = JavaVersion.VERSION_14
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
 }
 
 sourceSets {
@@ -73,11 +73,11 @@ tasks.test {
 }
 
 tasks.withType<JavaCompile> {
-    options.compilerArgs.addAll(arrayOf("--release", "14"))
+    options.compilerArgs.addAll(arrayOf("--release", "11"))
 }
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-    kotlinOptions.jvmTarget = "14"
+    kotlinOptions.jvmTarget = "11"
 }
 
 tasks.dokkaHtml {