diff --git a/pkgs/tools/networking/whois/default.nix b/pkgs/tools/networking/whois/default.nix
index cf755b354917..f7c94c1e72b6 100644
--- a/pkgs/tools/networking/whois/default.nix
+++ b/pkgs/tools/networking/whois/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchFromGitHub, perl, gettext }:
 
 stdenv.mkDerivation rec {
-  version = "5.2.11";
+  version = "5.2.12";
   name = "whois-${version}";
 
   src = fetchFromGitHub {
     owner = "rfc1036";
     repo = "whois";
     rev = "v${version}";
-    sha256 = "0yjzssy1nfj314hqbhfjljpb74c5aqvx5pbpsba5qsx7rrwy7n4z";
+    sha256 = "1cis7zwh0r1hqbl2wa3i2x1446nrhfqfd52b2lknfml64l08rnk5";
   };
 
   buildInputs = [ perl gettext ];