3 files changed, 14 insertions, 2 deletions

diff --git a/rockspecs/lua-llthreads2-compat-scm-0.rockspec b/rockspecs/lua-llthreads2-compat-scm-0.rockspec
index bbb3ecd..c8b909b 100644
--- a/rockspecs/lua-llthreads2-compat-scm-0.rockspec
+++ b/rockspecs/lua-llthreads2-compat-scm-0.rockspec
@@ -15,7 +15,7 @@ description = {
   ]],
 }
 dependencies = {
-  "lua >= 5.1, < 5.3",
+  "lua >= 5.1, < 5.4",
 }
 build = {
   type = "builtin",
diff --git a/rockspecs/lua-llthreads2-scm-0.rockspec b/rockspecs/lua-llthreads2-scm-0.rockspec
index 0795eca..cd3a4a4 100644
--- a/rockspecs/lua-llthreads2-scm-0.rockspec
+++ b/rockspecs/lua-llthreads2-scm-0.rockspec
@@ -15,7 +15,7 @@ description = {
   ]],
 }
 dependencies = {
-  "lua >= 5.1, < 5.3",
+  "lua >= 5.1, < 5.4",
 }
 build = {
   type = "builtin",
diff --git a/src/l52util.h b/src/l52util.h
index 38a87db..92d9fb8 100644
--- a/src/l52util.h
+++ b/src/l52util.h
@@ -4,6 +4,18 @@
 #include "lua.h"
 #include "lauxlib.h"
 
+#if LUA_VERSION_NUM >= 503 /* Lua 5.3 */
+
+#ifndef luaL_optint
+# define luaL_optint luaL_optinteger
+#endif
+
+#ifndef luaL_checkint
+# define luaL_checkint luaL_checkinteger
+#endif
+
+#endif
+
 #if LUA_VERSION_NUM >= 502 // lua 5.2
 
 // lua_rawgetp