diff --git a/.gitmodules b/.gitmodules
index ff2f5a1..9ee2d2a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "external/easywsclient"]
 	path = external/easywsclient
 	url = https://github.com/dhbaird/easywsclient.git
+[submodule "external/Crow"]
+	path = external/Crow
+	url = https://github.com/det-fys/Crow
diff --git a/external/Crow b/external/Crow
new file mode 160000
index 0000000..8236cc3
--- /dev/null
+++ b/external/Crow
@@ -0,0 +1 @@
+Subproject commit 8236cc320d81c2ddd6053f628cdf08c30b91a780