diff --git a/build.gradle.kts b/build.gradle.kts
index e5b85e7..fb6ee66 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,9 +1,9 @@
 plugins {
-    val kotlinVersion = "1.4.21"
+    val kotlinVersion = "1.6.10"
     kotlin("jvm") version kotlinVersion
     kotlin("plugin.serialization") version kotlinVersion
 
-    id("net.mamoe.mirai-console") version "2.0-RC"
+    id("net.mamoe.mirai-console") version "2.11.1"
 }
 
 group = "net.mamoe"
@@ -19,10 +19,10 @@ mirai {
 
 repositories {
     mavenLocal()
-    jcenter()
+    mavenCentral()
 }
 
-kotlin.sourceSets.forEach { it.languageSettings.useExperimentalAnnotation("kotlin.RequiresOptIn") }
+kotlin.sourceSets.forEach { it.languageSettings.optIn("kotlin.RequiresOptIn") }
 
 tasks.create("buildCiJar", Jar::class) {
     dependsOn("buildPlugin")
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 14e30f7..1b60b90 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https://services.gradle.org/distributions/gradle-7.4.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 47c2168..b0556e0 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -3,7 +3,6 @@ pluginManagement {
         mavenLocal()
         gradlePluginPortal()
         mavenCentral()
-        jcenter()
         maven("https://dl.bintray.com/kotlin/kotlin-eap")
     }
 }