diff --git a/build.gradle.kts b/build.gradle.kts
index 110e0f041d8371cacc01641fab4e7c31a2765056..aa3682106fa90cd8aeb7b438c3a01e261539041d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,30 +11,15 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-  kotlin("jvm") version "1.4.21"
+  kotlin("jvm") version "1.5.0"
   id("org.jlleitschuh.gradle.ktlint") version "10.0.0"
-  id("org.jetbrains.dokka") version "1.4.20"
+  id("org.jetbrains.dokka") version "1.4.32"
   id("maven-publish")
   id("com.vanniktech.maven.publish") version "0.13.0"
 }
 
 repositories {
   mavenCentral()
-  exclusiveContent {
-    forRepository {
-      maven {
-        name = "JCenter"
-        setUrl("https://jcenter.bintray.com/")
-      }
-    }
-    filter {
-      // Required for Dokka
-      includeModule("com.soywiz.korlibs.korte", "korte-jvm")
-      includeModule("org.jetbrains.kotlinx", "kotlinx-html-jvm")
-      includeGroup("org.jetbrains.dokka")
-      includeModule("org.jetbrains", "markdown")
-    }
-  }
 }
 
 dependencies {
diff --git a/gradle.properties b/gradle.properties
index dced595a15fc4451999f03fa79c6a03dc25de5fd..20c9dd6866db2709b39192f81b0d5a2f6bf8cea4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 kotlin.code.style=official
-junit5Version=5.6.0
+junit5Version=5.7.2
 
 GROUP=de.justjanne
 VERSION_NAME=1.1.0
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 449e05e82e31bf4e290fdda517ff9363c02851f8..048d916fd055b243fd4d930bb4cabd4bec553576 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,8 +1,10 @@
-rootProject.name = "kotlin-bitflags"
+/*
+ * Kotlin Bitflags
+ * Copyright (c) 2021 Janne Mareike Koschinski
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public License,
+ * v. 2.0. If a copy of the MPL was not distributed with this file, You can
+ * obtain one at https://mozilla.org/MPL/2.0/.
+ */
 
-pluginManagement {
-  repositories {
-    gradlePluginPortal()
-    jcenter()
-  }
-}
+rootProject.name = "kotlin-bitflags"