diff --git a/.gitmodules b/.gitmodules
index 9060708b62..229598a454 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -24,3 +24,7 @@
   url = https://github.com/boostorg/boost.git
   branch = boost-1.68.0
   ignore = dirty
+[submodule "3party/just_gtfs"]
+  path = 3party/just_gtfs
+  url = https://github.com/mapsme/just_gtfs.git
+  branch = for-usage-as-submodule
diff --git a/3party/just_gtfs b/3party/just_gtfs
new file mode 160000
index 0000000000..57e2a888a3
--- /dev/null
+++ b/3party/just_gtfs
@@ -0,0 +1 @@
+Subproject commit 57e2a888a35bdf679c4bfb7fb6d8f6903ed5ee87