diff --git a/.gitmodules b/.gitmodules
index c369d231..47cca4c9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "thirdparty/zlib"]
 	path = thirdparty/zlib
 	url = https://github.com/madler/zlib.git
+[submodule "thirdparty/catch2"]
+	path = thirdparty/catch2
+	url = https://github.com/catchorg/Catch2.git
diff --git a/thirdparty/catch2 b/thirdparty/catch2
new file mode 160000
index 00000000..3eade52f
--- /dev/null
+++ b/thirdparty/catch2
@@ -0,0 +1 @@
+Subproject commit 3eade52fc0338b2aa81d23cf0cd191f455477746