diff --git a/rockspecs/lua-llthreads-scm-0.rockspec b/rockspecs/lua-llthreads-scm-0.rockspec
index 0bc4046..1c9c491 100644
--- a/rockspecs/lua-llthreads-scm-0.rockspec
+++ b/rockspecs/lua-llthreads-scm-0.rockspec
@@ -9,7 +9,7 @@ description = {
 	license = "MIT/X11",
 }
 dependencies = {
-	"lua >= 5.1",
+	"lua >= 5.1, < 5.3",
 }
 build = {
 	type = "builtin",