diff --git a/pkgs/development/libraries/kerberos/krb5.nix b/pkgs/development/libraries/kerberos/krb5.nix
index dda9d17852ba..d4e4a59ec5f6 100644
--- a/pkgs/development/libraries/kerberos/krb5.nix
+++ b/pkgs/development/libraries/kerberos/krb5.nix
@@ -2,7 +2,7 @@
 
 let
   pname = "krb5";
-  version = "1.13";
+  version = "1.13.1";
   name = "${pname}-${version}";
   webpage = http://web.mit.edu/kerberos/;
 in
@@ -12,7 +12,7 @@ stdenv.mkDerivation (rec {
 
   src = fetchurl {
     url = "${webpage}dist/krb5/1.13/${name}-signed.tar";
-    sha256 = "10lmbbcrzknzjnhlfjgb4rc3vzncqhmd0kp82pwd0xxpkap7k3yw";
+    sha256 = "0gk6jvr64rf6l4xcyxn8i3fr5d1j7dhqvwyv3vw2qdkzz7yjkxjd";
   };
 
   buildInputs = [ pkgconfig perl ncurses yacc openssl openldap ];