diff --git a/src/deps_ncnn.cmake b/src/deps_ncnn.cmake
index 5264350..7cfc63a 100644
--- a/src/deps_ncnn.cmake
+++ b/src/deps_ncnn.cmake
@@ -74,7 +74,7 @@ if(NOT USE_SYSTEM_NCNN)
     option(WITH_LAYER_bnll "" OFF)
     option(WITH_LAYER_concat "" ON)
     option(WITH_LAYER_convolution "" ON)
-    option(WITH_LAYER_crop "" OFF)
+    option(WITH_LAYER_crop "" ON)
     option(WITH_LAYER_deconvolution "" OFF)
     option(WITH_LAYER_dropout "" OFF)
     option(WITH_LAYER_eltwise "" OFF)