diff --git a/pkgs/tools/networking/unbound/default.nix b/pkgs/tools/networking/unbound/default.nix
index 4819c004c1b8..4ada77e14b6a 100644
--- a/pkgs/tools/networking/unbound/default.nix
+++ b/pkgs/tools/networking/unbound/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "unbound-${version}";
-  version = "1.5.7";
+  version = "1.5.8";
 
   src = fetchurl {
     url = "http://unbound.net/downloads/${name}.tar.gz";
-    sha256 = "1a0wfgp6wqpf7cxlcbprqhnjx6z9ywf0rhrpcf7x98l1mbjqh82b";
+    sha256 = "33567a20f73e288f8daa4ec021fbb30fe1824b346b34f12677ad77899ecd09be";
   };
 
   buildInputs = [ openssl expat libevent ];