diff --git a/pkgs/tools/networking/unbound/default.nix b/pkgs/tools/networking/unbound/default.nix
index 232e049e456ae7..3c28133a2dbf59 100644
--- a/pkgs/tools/networking/unbound/default.nix
+++ b/pkgs/tools/networking/unbound/default.nix
@@ -25,11 +25,11 @@
 
 stdenv.mkDerivation rec {
   pname = "unbound";
-  version = "1.13.0";
+  version = "1.13.1";
 
   src = fetchurl {
     url = "https://unbound.net/downloads/${pname}-${version}.tar.gz";
-    sha256 = "18dj7migq6379hps59793457l81s3z7dll3y0fj6qcmhjlx08m59";
+    sha256 = "sha256-hQTZe4/FvYlzRcldEW4O4N34yP+ZWQqytL0TJ4yfULg=";
   };
 
   outputs = [ "out" "lib" "man" ]; # "dev" would only split ~20 kB