--- a/.gitmodules
+++ b/.gitmodules
@@ -4,4 +4,7 @@
 [submodule "lib/amon-php"]
 	path = lib/amon-php
 	url = https://github.com/martinrusev/amon-php.git
+[submodule "lib/solarium"]
+	path = lib/solarium
+	url = https://github.com/basdenooijer/solarium.git