diff --git a/build.gradle.kts b/build.gradle.kts
index 66e8e77..5cb8291 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,6 +8,7 @@ version = "2.0"
 
 subprojects {
     apply(plugin = "com.github.johnrengelman.shadow")
+    java.sourceCompatibility = JavaVersion.VERSION_17
 
     repositories {
         mavenCentral()