diff --git a/build.gradle b/build.gradle
index 64712e0..08376ab 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ subprojects {
     version "2.1.0-netherite-SNAPSHOT"
 
     java {
-        toolchain.languageVersion.set(JavaLanguageVersion.of(8))
+        toolchain.languageVersion.set(JavaLanguageVersion.of(17))
     }
 
     dependencies {