diff --git a/build.gradle.kts b/build.gradle.kts
index 99aed87..2705a71 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -24,7 +24,7 @@ var versions = mapOf(
 )
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_21
 }
 
 sourceSets {
@@ -90,7 +90,7 @@ dependencies {
 tasks.withType<KotlinCompile> {
     kotlinOptions {
         freeCompilerArgs += "-Xjsr305=strict"
-        jvmTarget = "17"
+        jvmTarget = "21"
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 37aef8d..509c4a2 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists