diff --git a/elixir.json b/elixir.json
index 13ec23df58..8f1212d7c3 100644
--- a/elixir.json
+++ b/elixir.json
@@ -1,6 +1,7 @@
 {
 	"homepage": "http://elixir-lang.org/",
 	"version": "0.10.3",
+	"depends": "erlang",
 	"url": "https://github.com/elixir-lang/elixir/releases/download/v0.10.3/v0.10.3.zip",
 	"hash": "c898906651b3edb40e642221e58642a0abc165c97b3624a251bfe337efae9278",
 	"bin": [
diff --git a/rust.json b/rust.json
index a77ff7e723..c3de83f6cf 100644
--- a/rust.json
+++ b/rust.json
@@ -2,6 +2,7 @@
 	"homepage": "http://www.rust-lang.org",
 	"version": "0.8",
 	"license": "MIT/Apache 2.0",
+	"depends": "gcc45",
 	"url": "http://static.rust-lang.org/dist/rust-0.8-install.exe",
 	"hash": "4d303232144cb4c3a6f34af6ff0cfe9f8eefae114c88c52ac63128c49cdef7f1",
 	"innosetup": true,