diff --git a/.gitmodules b/.gitmodules
index e0944f7..5b31d29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,9 @@
 [submodule "thirdparty/quickjs"]
 	path = thirdparty/quickjs
 	url = https://github.com/bellard/quickjs.git
+[submodule "thirdparty/corrade"]
+	path = thirdparty/corrade
+	url = https://github.com/mosra/corrade.git
+[submodule "thirdparty/magnum"]
+	path = thirdparty/magnum
+	url = https://github.com/mosra/magnum.git
diff --git a/thirdparty/corrade b/thirdparty/corrade
new file mode 160000
index 0000000..1408175
--- /dev/null
+++ b/thirdparty/corrade
@@ -0,0 +1 @@
+Subproject commit 1408175dbff4c72c547aa44969f2f53769c01c40
diff --git a/thirdparty/magnum b/thirdparty/magnum
new file mode 160000
index 0000000..bc1859f
--- /dev/null
+++ b/thirdparty/magnum
@@ -0,0 +1 @@
+Subproject commit bc1859f653e4dde58df1a1291cd75ce0325bcf30