diff --git a/src/cambridge/cambridge.make b/src/cambridge/cambridge.make
index 6d5a3de47015d88d2d6f2f7a93cc48ebad0b2704..4c5c7e405488e71308cfd335aa6761fbdc852bf3 100644
--- a/src/cambridge/cambridge.make
+++ b/src/cambridge/cambridge.make
@@ -38,6 +38,7 @@ projects[feeds_xpathparser] = "1.0"
 projects[field_collection] = "1.0-beta8"
 projects[field_group] = "1.4"
 projects[field_permissions] = "1.0-beta2"
+projects[filefield_sources] = "1.9"
 projects[globalredirect] = "1.5"
 projects[google_analytics] = "1.4"
 projects[imageapi_optimize] = "1.0"