diff --git a/.gitmodules b/.gitmodules
index 3d427b8..fee5af8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "dnn/CoDeNet"]
 	path = dnn/CoDeNet
 	url = https://github.com/Zhen-Dong/CoDeNet
+[submodule "dnn/CoDeNet_Detectron2"]
+	path = dnn/CoDeNet_Detectron2
+	url = https://github.com/DequanWang/CoDeNet
diff --git a/dnn/CoDeNet_Detectron2 b/dnn/CoDeNet_Detectron2
new file mode 160000
index 0000000..2e80791
--- /dev/null
+++ b/dnn/CoDeNet_Detectron2
@@ -0,0 +1 @@
+Subproject commit 2e80791e743b14ba3cb8be4f2403921aa395c9aa