diff --git a/common/TrunkStable.bp b/common/TrunkStable.bp
index 772f79e..56938fc 100644
--- a/common/TrunkStable.bp
+++ b/common/TrunkStable.bp
@@ -19,3 +19,8 @@
     package: "com.android.net.flags",
     srcs: ["flags.aconfig"],
 }
+
+java_aconfig_library {
+    name: "connectivity_flags_aconfig_lib",
+    aconfig_declarations: "com.android.net.flags-aconfig",
+}
diff --git a/common/flags.aconfig b/common/flags.aconfig
index 4926503..cadc44f 100644
--- a/common/flags.aconfig
+++ b/common/flags.aconfig
@@ -6,3 +6,10 @@
   description: "NetworkActivityTracker tracks multiple networks including non default networks"
   bug: "267870186"
 }
+
+flag {
+  name: "forbidden_capability"
+  namespace: "android_core_networking"
+  description: "This flag controls the forbidden capability API"
+  bug: "302997505"
+}