diff --git a/Tethering/apex/Android.bp b/Tethering/apex/Android.bp
index 19dd492..3e7c697 100644
--- a/Tethering/apex/Android.bp
+++ b/Tethering/apex/Android.bp
@@ -111,7 +111,7 @@
     ],
     prebuilts: [
         "current_sdkinfo",
-        "netbpfload.33rc",
+        "netbpfload.31rc",
         "netbpfload.35rc",
         "ot-daemon.34rc",
     ],