diff --git a/.gitmodules b/.gitmodules
index 6e7b2176bffbb39e20c002d308e296387cca047a..f54c66b001bcba4534e653c3286121232048c8f8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -46,3 +46,7 @@
 [submodule "third_party/cpuinfo"]
 	path = third_party/cpuinfo
 	url = https://github.com/MegEngine/cpuinfo.git
+[submodule "third_party/gflags"]
+	path = third_party/gflags
+	url = https://github.com/MegEngine/gflags.git
+
diff --git a/third_party/gflags b/third_party/gflags
new file mode 160000
index 0000000000000000000000000000000000000000..48008384fb0016c786180023957b5d80e15335bd
--- /dev/null
+++ b/third_party/gflags
@@ -0,0 +1 @@
+Subproject commit 48008384fb0016c786180023957b5d80e15335bd