diff --git a/backend/mirai-console/src/internal/MiraiConsoleBuildConstants.kt b/backend/mirai-console/src/internal/MiraiConsoleBuildConstants.kt
index b43f218e7..2b7ea3bdf 100644
--- a/backend/mirai-console/src/internal/MiraiConsoleBuildConstants.kt
+++ b/backend/mirai-console/src/internal/MiraiConsoleBuildConstants.kt
@@ -14,8 +14,8 @@ import java.time.Instant
 
 internal object MiraiConsoleBuildConstants { // auto-filled on build (task :mirai-console:fillBuildConstants)
     @JvmStatic
-    val buildDate: Instant = Instant.ofEpochSecond(1615251933)
-    const val versionConst: String = "2.5-M2"
+    val buildDate: Instant = Instant.ofEpochSecond(1616116180)
+    const val versionConst: String = "2.5-RC-dev-1"
 
     @JvmStatic
     val version: SemVersion = SemVersion(versionConst)
diff --git a/tools/gradle-plugin/src/VersionConstants.kt b/tools/gradle-plugin/src/VersionConstants.kt
index ea26b6865..bfc51cc00 100644
--- a/tools/gradle-plugin/src/VersionConstants.kt
+++ b/tools/gradle-plugin/src/VersionConstants.kt
@@ -10,6 +10,6 @@
 package net.mamoe.mirai.console.gradle
 
 internal object VersionConstants {
-    const val CONSOLE_VERSION = "2.5-M2" // value is written here automatically during build
-    const val CORE_VERSION = "2.5-M2" // value is written here automatically during build
+    const val CONSOLE_VERSION = "2.5-RC-dev-1" // value is written here automatically during build
+    const val CORE_VERSION = "2.5-RC-dev-1" // value is written here automatically during build
 }
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