--- a/mobile/android/config/proguard/adjust-keeps.cfg
+++ b/mobile/android/config/proguard/adjust-keeps.cfg
@@ -1,8 +1,20 @@
 # Rules to make the Adjust install tracking library work.
+# via https://github.com/adjust/android_sdk#5-add-permissions
 
-# Needed to keep some constants in the install tracking library.
--keep class com.adjust.sdk.** { *; }
-
-# Needed to keep some constants required for the install tracking library.
--keep class com.google.android.gms.common.** { *; }
--keep class com.google.android.gms.ads.identifier.** { *; }
+-keep class com.adjust.sdk.plugin.MacAddressUtil {
+    java.lang.String getMacAddress(android.content.Context);
+}
+-keep class com.adjust.sdk.plugin.AndroidIdUtil {
+    java.lang.String getAndroidId(android.content.Context);
+}
+-keep class com.google.android.gms.common.ConnectionResult {
+    int SUCCESS;
+}
+-keep class com.google.android.gms.ads.identifier.AdvertisingIdClient {
+    com.google.android.gms.ads.identifier.AdvertisingIdClient$Info
+        getAdvertisingIdInfo (android.content.Context);
+}
+-keep class com.google.android.gms.ads.identifier.AdvertisingIdClient$Info {
+    java.lang.String getId ();
+    boolean isLimitAdTrackingEnabled();
+}