diff --git a/automotive/audiocontrol/aidl/Android.bp b/automotive/audiocontrol/aidl/Android.bp
index 9ae77cd..86b63a6 100644
--- a/automotive/audiocontrol/aidl/Android.bp
+++ b/automotive/audiocontrol/aidl/Android.bp
@@ -13,9 +13,9 @@
     name: "android.hardware.automotive.audiocontrol",
     vendor_available: true,
     srcs: ["android/hardware/automotive/audiocontrol/*.aidl"],
-    imports: [
-        "android.hardware.audio.common-V1",
-        "android.media.audio.common.types-V2",
+    defaults: [
+        "latest_android_hardware_audio_common_import_interface",
+        "latest_android_media_audio_common_types_import_interface",
     ],
     stability: "vintf",
     backend: {
@@ -52,6 +52,37 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 
 }
+
+// Note: This should always be one version ahead of the last frozen version
+latest_android_hardware_automotive_audiocontrol = "android.hardware.automotive.audiocontrol-V4"
+
+cc_defaults {
+    name: "latest_android_hardware_automotive_audiocontrol_cpp_static",
+    static_libs: [
+        latest_android_hardware_automotive_audiocontrol + "-cpp",
+    ],
+}
+
+cc_defaults {
+    name: "latest_android_hardware_automotive_audiocontrol_cpp_shared",
+    shared_libs: [
+        latest_android_hardware_automotive_audiocontrol + "-cpp",
+    ],
+}
+
+cc_defaults {
+    name: "latest_android_hardware_automotive_audiocontrol_ndk_static",
+    static_libs: [
+        latest_android_hardware_automotive_audiocontrol + "-ndk",
+    ],
+}
+
+cc_defaults {
+    name: "latest_android_hardware_automotive_audiocontrol_ndk_shared",
+    shared_libs: [
+        latest_android_hardware_automotive_audiocontrol + "-ndk",
+    ],
+}
diff --git a/automotive/audiocontrol/aidl/default/audiocontrol-default.xml b/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
index 95cd7f0..bcb5669 100644
--- a/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
+++ b/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
@@ -1,7 +1,7 @@
 <manifest version="2.0" type="device">
     <hal format="aidl">
         <name>android.hardware.automotive.audiocontrol</name>
-        <version>3</version>
+        <version>4</version>
         <fqname>IAudioControl/default</fqname>
     </hal>
 </manifest>
diff --git a/automotive/audiocontrol/aidl/vts/Android.bp b/automotive/audiocontrol/aidl/vts/Android.bp
index cfc2a3e..c73ad79 100644
--- a/automotive/audiocontrol/aidl/vts/Android.bp
+++ b/automotive/audiocontrol/aidl/vts/Android.bp
@@ -24,6 +24,8 @@
 cc_test {
     name: "VtsAidlHalAudioControlTest",
     defaults: [
+        "latest_android_hardware_audio_common_cpp_static",
+        "latest_android_hardware_automotive_audiocontrol_cpp_static",
         "latest_android_media_audio_common_types_cpp_static",
         "VtsHalTargetTestDefaults",
         "use_libaidlvintf_gtest_helper_static",
@@ -38,8 +40,6 @@
         "libxml2",
     ],
     static_libs: [
-        "android.hardware.automotive.audiocontrol-V3-cpp",
-        "android.hardware.audio.common-V1-cpp",
         "libgmock",
     ],
     test_suites: [