diff --git a/pkgs/development/libraries/getdns/default.nix b/pkgs/development/libraries/getdns/default.nix
index 1db1c3737bcc..1ad8f1027c19 100644
--- a/pkgs/development/libraries/getdns/default.nix
+++ b/pkgs/development/libraries/getdns/default.nix
@@ -12,7 +12,7 @@ in rec {
 
   getdns = stdenv.mkDerivation rec {
     pname = "getdns";
-    version = "1.7.0";
+    version = "1.7.2";
     outputs = [ "out" "dev" "lib" "man" ];
 
     src = fetchurl {
@@ -20,7 +20,9 @@ in rec {
           with builtins;
           concatStringsSep "-" (splitVersion version)
         }/${pname}-${version}.tar.gz";
-      sha256 = "sha256-6ocTzl4HesdrFBjOtq/SXm1OOelgD29egdOjoTpg9lI=";
+      sha256 =
+        # upstream publishes hashes in hex format
+        "db89fd2a940000e03ecf48d0232b4532e5f0602e80b592be406fd57ad76fdd17";
     };
 
     nativeBuildInputs = [ cmake doxygen ];
@@ -49,7 +51,7 @@ in rec {
 
   stubby = stdenv.mkDerivation rec {
     pname = "stubby";
-    version = "0.4.0";
+    version = "0.4.2";
     outputs = [ "out" "man" "stubbyExampleJson" ];
 
     inherit (getdns) src;