diff --git a/build.gradle b/build.gradle
index b1aa2021..94a72550 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,8 +17,8 @@ def textFiles = ['**/*.hac', '**/.html', '**/*.js', '**/*.md', '**/*.properties'
 allprojects {
   apply plugin: 'java'
 
-  sourceCompatibility = JavaVersion.VERSION_11
-  targetCompatibility = JavaVersion.VERSION_11
+  sourceCompatibility = JavaVersion.VERSION_17
+  targetCompatibility = JavaVersion.VERSION_17
 
   repositories {
     mavenCentral()