diff --git a/pkgs/tools/networking/sing-box/default.nix b/pkgs/tools/networking/sing-box/default.nix
index 22767c6bd2ac..e7cf602487bf 100644
--- a/pkgs/tools/networking/sing-box/default.nix
+++ b/pkgs/tools/networking/sing-box/default.nix
@@ -10,16 +10,16 @@
 
 buildGoModule rec {
   pname = "sing-box";
-  version = "1.4.3";
+  version = "1.4.5";
 
   src = fetchFromGitHub {
     owner = "SagerNet";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-ptnppqh7f6Cn5pMrqtqM39zFh2nEpOSrZtTxhSzFXS0=";
+    hash = "sha256-Tb+4k0fwb22gif4SSNDmIBDq346CinhyqxwE0fhkXq4=";
   };
 
-  vendorHash = "sha256-XHZoXnQJMfnaPbHHoC1toxqjq/jifAI2UqZ4cc6y034=";
+  vendorHash = "sha256-EZ+ehh/FuQWNHqfXWMoSI+z9+OKDTVzRn51CYR/ezZw=";
 
   tags = [
     "with_quic"