diff --git a/pkgs/tools/networking/sing-box/default.nix b/pkgs/tools/networking/sing-box/default.nix
index 589692a2de7f..a35606ec5db1 100644
--- a/pkgs/tools/networking/sing-box/default.nix
+++ b/pkgs/tools/networking/sing-box/default.nix
@@ -9,16 +9,16 @@
 
 buildGoModule rec {
   pname = "sing-box";
-  version = "1.2.2";
+  version = "1.2.6";
 
   src = fetchFromGitHub {
     owner = "SagerNet";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-IHYg3X1LBH7Ne83j0caJHHkBDMy7EcMKSFd0U5sHabI=";
+    hash = "sha256-RSRhxsTbwYEho1+1ar2kX8gmQGOWIULlZcb84qNMMF8=";
   };
 
-  vendorHash = "sha256-J9KGtAZ+J7EJKJOEEH44bhG8Gln8Gv87ryB3nswxDO0=";
+  vendorHash = "sha256-BdM+uK7ouCzDKWlifyaHK+GqbIpODVfjiXnyvmKKKrk=";
 
   tags = [
     "with_quic"