diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..25abd97
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "SurveyLib"]
+	path = SurveyLib
+	url = https://git.66bit.ru/internship-2025/survey-webapp/surveylib.git
+	branch = main
diff --git a/SurveyLib b/SurveyLib
new file mode 160000
index 0000000..801b8af
--- /dev/null
+++ b/SurveyLib
@@ -0,0 +1 @@
+Subproject commit 801b8af89d95aa5f10afc25f5990d9493a99aa1b