diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f75d422
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "inja"]
+	path = inja
+	url = git@github.com:pantor/inja.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d819e35..792dcb0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,4 +5,5 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
 conan_basic_setup()
 
+add_subdirectory(inja)
 add_subdirectory(source)
diff --git a/inja b/inja
new file mode 160000
index 0000000..7dbdd44
--- /dev/null
+++ b/inja
@@ -0,0 +1 @@
+Subproject commit 7dbdd44b0eba24b6f6b742001814a98553c52833