diff --git a/extension/android/CMakeLists.txt b/extension/android/CMakeLists.txt
index c2707af310a..7788bc83378 100644
--- a/extension/android/CMakeLists.txt
+++ b/extension/android/CMakeLists.txt
@@ -226,6 +226,12 @@ if(EXECUTORCH_BUILD_LLAMA_JNI)
   endif()
 endif()
 
+# Hook for extended build targets (e.g., internal or partner-specific JNI
+# extensions). This is a no-op when extended_targets/ does not exist.
+if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/fb/extended_targets/CMakeLists.txt")
+  include("${CMAKE_CURRENT_SOURCE_DIR}/fb/extended_targets/CMakeLists.txt")
+endif()
+
 target_include_directories(
   executorch_jni
   PRIVATE