diff --git a/pkgs/development/libraries/ldns/default.nix b/pkgs/development/libraries/ldns/default.nix
index 5873e707e7cc..1ccb0e41e708 100644
--- a/pkgs/development/libraries/ldns/default.nix
+++ b/pkgs/development/libraries/ldns/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "ldns";
-  version = "1.7.1";
+  version = "1.8.1";
 
   src = fetchurl {
     url = "https://www.nlnetlabs.nl/downloads/ldns/${pname}-${version}.tar.gz";
-    sha256 = "0ac242n7996fswq1a3nlh1bbbhrsdwsq4mx7xq8ffq6aplb4rj4a";
+    sha256 = "sha256-lYIpq85NOqoZp1wNEnZmVksXIWkCGG6VLKSu9Hxtf6M=";
   };
 
   postPatch = ''