diff --git a/quartz/build.gradle.kts b/quartz/build.gradle.kts
index be89e1e5d..e66039d24 100644
--- a/quartz/build.gradle.kts
+++ b/quartz/build.gradle.kts
@@ -51,7 +51,7 @@ kotlin {
     }
     jvm {
         compilerOptions {
-            jvmTarget.set(JvmTarget.JVM_1_8)
+            jvmTarget.set(JvmTarget.JVM_21)
         }
     }
 
@@ -61,7 +61,7 @@ kotlin {
     androidTarget {
         publishLibraryVariants("release")
         compilerOptions {
-            jvmTarget.set(JvmTarget.JVM_1_8)
+            jvmTarget.set(JvmTarget.JVM_21)
         }
     }