diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6357757
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "libs/Catch2"]
+	path = libs/Catch2
+	url = https://github.com/catchorg/Catch2.git
diff --git a/libs/Catch2 b/libs/Catch2
new file mode 160000
index 0000000..c4e3767
--- /dev/null
+++ b/libs/Catch2
@@ -0,0 +1 @@
+Subproject commit c4e3767e265808590986d5db6ca1b5532a7f3d13