diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..1c1a2167
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "Catch"]
+	path = Catch
+	url = https://github.com/philsquared/Catch.git
diff --git a/Catch b/Catch
new file mode 160000
index 00000000..a6d74bd5
--- /dev/null
+++ b/Catch
@@ -0,0 +1 @@
+Subproject commit a6d74bd55aeff9a2506906e451305364f7a02d34