diff --git a/build.gradle.kts b/build.gradle.kts
index c8b871110..583a6598e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -18,8 +18,7 @@ buildscript {
         classpath("com.android.tools.build:gradle:3.5.3")
         classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
         classpath("com.github.jengelman.gradle.plugins:shadow:5.2.0")
-        @kotlin.Suppress("GradleDependency") // 1.3.70 有 bug, 无法编译添加 SerialInfo
-        classpath("org.jetbrains.kotlin:kotlin-serialization:1.3.61") // 不要用 $kotlinVersion
+        classpath("org.jetbrains.kotlin:kotlin-serialization:$kotlinVersion")
         classpath("org.jetbrains.kotlinx:atomicfu-gradle-plugin:$atomicFuVersion")
     }
 }
diff --git a/gradle.properties b/gradle.properties
index 52487de69..76fb35b61 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,9 +7,9 @@ kotlin.parallel.tasks.in.project=true
 # kotlin
 kotlinVersion=1.3.70
 # kotlin libraries
-serializationVersion=0.20.0-1.3.70-eap-274-2
-coroutinesVersion=1.3.3
-atomicFuVersion=0.14.1
+serializationVersion=0.20.0
+coroutinesVersion=1.3.4
+atomicFuVersion=0.14.2
 kotlinXIoVersion=0.1.16
 coroutinesIoVersion=0.1.16
 # utility