diff --git a/staticlibs/Android.bp b/staticlibs/Android.bp
index 80a3589..8943453 100644
--- a/staticlibs/Android.bp
+++ b/staticlibs/Android.bp
@@ -143,6 +143,7 @@
     name: "net-utils-services-common-srcs",
     srcs: [
         "device/android/net/NetworkFactory.java",
+        "device/com/android/net/module/util/CollectionUtils.java",
     ],
     visibility: [
         "//frameworks/base/services/net",