diff --git a/lua.cpp b/lua.cpp
index 5f5e206..8b1699b 100644
--- a/lua.cpp
+++ b/lua.cpp
@@ -637,6 +637,17 @@ extern "C" {
         return 1;
     }
 
+    static int cpp_sys_clipboard(lua_State *L) {
+        if (lua_gettop(L) == 0) {
+            lua_pushstring(L, SDL_GetClipboardText());
+            return 1;
+        } else {
+            const char* value = luaL_checkstring(L, 1);
+            SDL_SetClipboardText(value);
+            return 0;
+        }
+    }
+
 
     // win
     // ===============================================
@@ -878,6 +889,7 @@ void push_lua_funcs() {
     lua_pushcfunction(L,cpp_sys_dir);               lua_setfield(L, -2, "dir");
     lua_pushcfunction(L,cpp_sys_exit);              lua_setfield(L, -2, "quit");
     lua_pushcfunction(L,cpp_sys_fps);               lua_setfield(L, -2, "fps");
+    lua_pushcfunction(L,cpp_sys_clipboard);         lua_setfield(L, -2, "clipboard");
 
     lua_pushinteger(L, 0);                          lua_setfield(L, -2, "UPDATE_ALWAYS");
     lua_pushinteger(L, 1);                          lua_setfield(L, -2, "UPDATE_WAIT");
diff --git a/version.h b/version.h
index a0ba3cd..5bf1ff4 100644
--- a/version.h
+++ b/version.h
@@ -1,3 +1,3 @@
 #pragma once
 
-#define MINI_VERSION "1.0 RC3"
+#define MINI_VERSION "1.0 RC4"