diff --git a/hardening/bwraps/wechat.nix b/hardening/bwraps/wechat.nix
index 19562120..46ef61a7 100644
--- a/hardening/bwraps/wechat.nix
+++ b/hardening/bwraps/wechat.nix
@@ -15,17 +15,20 @@ let
   pname = "wechat";
   # https://github.com/NixOS/nixpkgs/blob/nixos-unstable/pkgs/by-name/we/wechat/package.nix
   sources = {
+    # use https://web.archive.org/save to archive the Linux versions
+    # add `if_` at the end of timestamps to avoid toolbar insertion
+    # for a more complicated guide, see https://en.wikipedia.org/wiki/Help:Using_the_Wayback_Machine
     aarch64-linux = {
-      version = "4.1.0.13";
+      version = "4.1.1.4";
       src = fetchurl {
-        url = "https://dldir1v6.qq.com/weixin/Universal/Linux/WeChatLinux_arm64.AppImage";
+        url = "https://web.archive.org/web/20260311102559if_/https://dldir1v6.qq.com/weixin/Universal/Linux/WeChatLinux_arm64.AppImage";
         hash = "sha256-YlWJxT62tXDaNwYVpsPMC5elFH8fsbI1HjTQn6ePiPo=";
       };
     };
     x86_64-linux = {
-      version = "4.1.0.13";
+      version = "4.1.1.4";
       src = fetchurl {
-        url = "https://dldir1v6.qq.com/weixin/Universal/Linux/WeChatLinux_x86_64.AppImage";
+        url = "https://web.archive.org/web/20260311102439if_/https://dldir1v6.qq.com/weixin/Universal/Linux/WeChatLinux_x86_64.AppImage";
         hash = "sha256-XxAvFnlljqurGPDgRr+DnuCKbdVvgXBPh02DLHY3Oz8=";
       };
     };