diff --git a/mods/src/titlemac.mm b/mods/src/titlemac.mm
index d871141..51f04d6 100644
--- a/mods/src/titlemac.mm
+++ b/mods/src/titlemac.mm
@@ -1,12 +1,9 @@
-#pragma once
-
-#ifdef _WIN32
-#elif defined(__APPLE__)
+#ifdef __APPLE__
 
 #include "windowtitle.h"
 #import <Cocoa/Cocoa.h>
 
-inline std::wstring WindowTitle::Get()
+std::wstring WindowTitle::Get()
 {
     @autoreleasepool {
         NSWindow *window = [NSApp mainWindow];
@@ -22,7 +19,7 @@
     }
 }
 
-inline bool WindowTitle::Set(const std::wstring& title)
+bool WindowTitle::Set(const std::wstring& title)
 {
     @autoreleasepool {
         NSWindow *window = [NSApp mainWindow];
@@ -34,6 +31,6 @@
         
         return true;
     }
-} 
+}
 
 #endif
diff --git a/xmake-packages/packages/p/protobuf/xmake.lua b/xmake-packages/packages/p/protobuf/xmake.lua
index 7d9dac6..6e0b0b4 100644
--- a/xmake-packages/packages/p/protobuf/xmake.lua
+++ b/xmake-packages/packages/p/protobuf/xmake.lua
@@ -10,7 +10,8 @@ add_configs("zlib", {description = "Enable zlib", default = false, type = "boole
 add_deps("cmake")
 
 on_load(function (package)
-    package:add("deps", "abseil")
+-- pin abseil to the version in https://github.com/protocolbuffers/protobuf/blob/main/protobuf_deps.bzl when you update protobuf
+    package:add("deps", "abseil 20250512.1")
 
     if package:is_plat("windows") then
         package:add("links", "libprotoc", "libprotobuf", "utf8_range", "utf8_validity", "libutf8_range", "libutf8_validity")