diff --git a/build-support/build.gradle.kts b/build-support/build.gradle.kts
index ede5f4dee1..d2a8453098 100644
--- a/build-support/build.gradle.kts
+++ b/build-support/build.gradle.kts
@@ -76,13 +76,13 @@ allprojects {
   }
 
   tasks.withType<JavaCompile>().configureEach {
-    sourceCompatibility = JavaVersion.VERSION_11.toString()
-    targetCompatibility = JavaVersion.VERSION_11.toString()
+    sourceCompatibility = JavaVersion.VERSION_17.toString()
+    targetCompatibility = JavaVersion.VERSION_17.toString()
   }
 
   tasks.withType<KotlinCompile>().configureEach {
     compilerOptions {
-      jvmTarget.set(JvmTarget.JVM_11)
+      jvmTarget.set(JvmTarget.JVM_17)
       freeCompilerArgs.add("-Xjvm-default=all")
     }
   }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2343d6e913..f624086528 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -82,7 +82,7 @@ pluginz-dokka = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version.re
 pluginz-kotlin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin" }
 pluginz-kotlinSerialization = { module = "org.jetbrains.kotlin:kotlin-serialization", version.ref = "kotlin" }
 pluginz-shadow = { module = "com.github.johnrengelman:shadow", version = "8.1.1" }
-pluginz-spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version = "7.2.1" }
+pluginz-spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version = "8.0.0" }
 pluginz-buildConfig = { module = "com.github.gmazzo:gradle-buildconfig-plugin", version = "3.1.0" }
 protobuf-gradlePlugin = { module = "com.google.protobuf:protobuf-gradle-plugin", version.ref = "protobufGradlePlugin" }
 protobuf-java = { module = "com.google.protobuf:protobuf-java", version.ref = "protobuf" }