diff --git a/devel/lua-posix/Makefile b/devel/lua-posix/Makefile
--- a/devel/lua-posix/Makefile
+++ b/devel/lua-posix/Makefile
@@ -13,7 +13,7 @@
 
 RUN_DEPENDS=	${LUA_PKGNAMEPREFIX}stdlib-normalize>=0:devel/lua-stdlib-normalize@${LUA_FLAVOR}
 
-USES=		lua:52+,module shebangfix
+USES=		lua:51+,module shebangfix
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	luaposix