diff --git a/src/main/scala/io/sdkman/changelogs/IoTKitMigrations.scala b/src/main/scala/io/sdkman/changelogs/IoTKitMigrations.scala
new file mode 100644
index 00000000..c379965f
--- /dev/null
+++ b/src/main/scala/io/sdkman/changelogs/IoTKitMigrations.scala
@@ -0,0 +1,55 @@
+package io.sdkman.changelogs
+
+import com.github.mongobee.changeset.{ChangeLog, ChangeSet}
+import com.mongodb.client.MongoDatabase
+@ChangeLog(order = "074")
+class IoTKitMigrations {
+
+  val CandidateName = "iotkit"
+
+  @ChangeSet(
+    order = "001",
+    id = "001-add_iotkit_migrations_candidate",
+    author = "sanshengshui"
+  )
+  def migration001(implicit db: MongoDatabase): Candidate = {
+    Candidate(
+      candidate = CandidateName,
+      name = "IoTKit Migrations",
+      description =
+        "Toolkit is a client command line tool that supports multiple IoT protocols (or IoTKit Migrations for short). for example, MQTT and COAP protocols" +
+          "Provide a user optimized client tool for IoT developers and learners",
+      websiteUrl = "https://github.com/IoT-Technology/IoT-Toolkit"
+    ).insert()
+  }
+
+  @ChangeSet(
+    order = "002",
+    id = "002-add_iotkit_0_4_5",
+    author = "sanshengshui"
+  )
+  def migration002(implicit db: MongoDatabase) = {
+    List(
+      Version(
+        "iotkit",
+        "0.4.5",
+        "https://github.com/IoT-Technology/IoT-Toolkit/releases/download/0.4.5/toolkit-0.4.5-osx-x86_64.zip",
+        MacOSX
+      ),
+      Version(
+        "iotkit",
+        "0.4.5",
+        "https://github.com/IoT-Technology/IoT-Toolkit/releases/download/0.4.5/toolkit-0.4.5-linux-x86_64.zip",
+        Linux64
+      ),
+      Version(
+        "iotkit",
+        "0.4.5",
+        "https://github.com/IoT-Technology/IoT-Toolkit/releases/download/0.4.5/toolkit-0.4.5-windows-x86_64.zip",
+        Windows
+      )
+    ).validate().insert()
+    setCandidateDefault("iotkit", "0.4.5")
+  }
+
+}
diff --git a/src/main/scala/io/sdkman/changelogs/ToolkitMigrations.scala b/src/main/scala/io/sdkman/changelogs/ToolkitMigrations.scala
deleted file mode 100644
index f5d3e4b6..00000000
--- a/src/main/scala/io/sdkman/changelogs/ToolkitMigrations.scala
+++ /dev/null
@@ -1,51 +0,0 @@
-package io.sdkman.changelogs
-
-import com.github.mongobee.changeset.{ChangeLog, ChangeSet}
-import com.mongodb.client.MongoDatabase
-
-@ChangeLog(order = "073")
-class ToolkitMigrations {
-
-  val CandidateName = "toolkit"
-
-  @ChangeSet(
-    order = "001",
-    id = "001-add_toolkit_migrations_candidate",
-    author = "sanshengshui"
-  )
-  def migration001(implicit db: MongoDatabase): Candidate = {
-    Candidate(
-      candidate = CandidateName,
-      name = "Toolkit Migrations",
-      description =
-        "Toolkit is a client command line tool that supports multiple IoT protocols. for example, MQTT and COAP protocols" +
-          "Provide a user optimized client tool for IoT developers and learners",
-      websiteUrl = "https://github.com/IoT-Technology/IoT-Toolkit"
-    ).insert()
-  }
-
-  @ChangeSet(
-    order = "002",
-    id = "002-add_toolkit_0.4.0_as_default",
-    author = "sanshengshui"
-  )
-  def migration002(implicit db: MongoDatabase) =
-    Map(
-      MacOSX  -> "toolkit-0.4.0-osx-x86_64.zip",
-      Linux64 -> "toolkit-0.4.0-linux-x86_64.zip",
-      Windows -> "toolkit-0.4.0-windows-x86_64.zip"
-    ).map {
-        case (platform, binary) =>
-          Version(
-            "toolkit",
-            "0.4.0",
-            s"https://github.com/IoT-Technology/IoT-Toolkit/releases/download/0.4.0/$binary",
-            platform
-          )
-      }
-      .toList
-      .validate()
-      .insert()
-      .asCandidateDefault()
-
-}