diff --git a/pkgs/servers/sozu/default.nix b/pkgs/servers/sozu/default.nix
index 8d3e4e1388b2..057bce2e4b03 100644
--- a/pkgs/servers/sozu/default.nix
+++ b/pkgs/servers/sozu/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "sozu";
-  version = "0.11.50";
+  version = "0.11.56";
 
   src = fetchFromGitHub {
     owner = "sozu-proxy";
     repo = pname;
     rev = version;
-    sha256 = "1srg2b8vwc4vp07kg4fizqj1rbm9hvf6hj1mjdh6yvb9cpbw3jz7";
+    sha256 = "sha256-/XyBzhZCsX9sGk+iTFlDnblWfDCZdI4b9yfo4Z+Wp1U=";
   };
 
-  cargoSha256 = "5WOigCiQZQ5DaTd15vV8pUh8Xl3UIe9yLG1ptUtY+iA=";
+  cargoSha256 = "sha256-F5EjBWHBNaQipxCi9Kiz5UTPMU0DuRf15NIVVvhiRxY=";
 
   buildInputs =
     lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security;