diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
new file mode 100644
index 000000000..a6a9580a3
--- /dev/null
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+/*
+ * Copyright 2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+object Versions {
+    const val core = "1.1.3"
+    const val console = "1.0-M1"
+    const val consoleGraphical = "0.0.7"
+    const val consoleTerminal = "0.1.0"
+    const val consolePure = console
+
+    const val kotlinCompiler = "1.4.0-rc" // for public explict API
+    const val kotlinStdlib = "1.4.0-rc" // for not overriding dependant's stdlib dependency
+
+    const val coroutines = "1.3.8-1.4.0-rc"
+    const val collectionsImmutable = "0.3.2"
+    const val serialization = "1.0-M1-1.4.0-rc"
+    const val ktor = "1.3.2-1.4.0-rc"
+
+    const val androidGradle = "3.6.2"
+
+    const val bintray = "1.8.5"
+}
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