diff --git a/Android.bp b/Android.bp
index dae0859..9d87f68 100644
--- a/Android.bp
+++ b/Android.bp
@@ -144,6 +144,7 @@
         "model/PublicVolume.cpp",
         "model/StubVolume.cpp",
         "model/VolumeBase.cpp",
+        "model/VolumeEncryption.cpp",
     ],
     product_variables: {
         arc: {