diff --git a/vim/.luarc.json b/vim/.luarc.json
index cb30540..dfc1967 100644
--- a/vim/.luarc.json
+++ b/vim/.luarc.json
@@ -1,3 +1,4 @@
 {
+	"runtime.version": "Lua 5.1",
 	"diagnostics.globals": ["vim"]
 }