diff --git a/config.h b/config.h
index f345074..39d7e1e 100644
--- a/config.h
+++ b/config.h
@@ -1,5 +1,5 @@
 /* Program version */
-#define VERSION "5.0.26"
+#define VERSION "5.1.0"
 
 /* Configurable features */
 
diff --git a/debian/changelog b/debian/changelog
index 079406e..c3860e8 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,19 @@
+whois (5.1.0) unstable; urgency=low
+
+  * Added the .ga, .ml, .pf, .xn--l1acc (.МОН, Mongolia) and
+    .xn--mgba3a4f16a (.ﺍیﺭﺎﻧ, Iran) TLD servers.
+  * Added the servers for 54 "new" gTLDs.
+  * Updated the .bw, .gd, .hn, .sb, .xn--j1amh and .xn--mgberp4a5d4ar
+    TLD servers.
+  * Added new RIPE and APNIC ASN allocations.
+  * Removed the .ck TLD server.
+  * Updated one or more translations.
+  * Applied multiple small fixes contributed by Petr Písař of Red Hat.
+  * Correctly hide the disclaimers for .be and .sx. (Closes: #729366)
+  * Direct queries for private ASN blocks to RIPE. (Closes: #724661)
+
+ -- Marco d'Itri <md@linux.it>  Thu, 26 Dec 2013 10:05:43 +0100
+
 whois (5.0.26) unstable; urgency=low
 
   * Added the .cf TLD server.
diff --git a/debian/control b/debian/control
index 7435e00..9006ad9 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@ Source: whois
 Section: net
 Priority: standard
 Maintainer: Marco d'Itri <md@linux.it>
-Standards-Version: 3.9.4
+Standards-Version: 3.9.5
 Build-Depends: debhelper (>= 5), gettext, libidn11-dev
 Vcs-Git: git://github.com/rfc1036/whois.git
 Vcs-Browser: https://github.com/rfc1036/whois
diff --git a/whois.h b/whois.h
index 136e395..a9b9a64 100644
--- a/whois.h
+++ b/whois.h
@@ -3,7 +3,7 @@
 
 /* String sent to RIPE servers - MUST NOT BE LONGER THAN FIVE CHARACTERS! */
 /* Do *NOT* change it if you don't know what you are doing! */
-#define IDSTRING "Md5.0"
+#define IDSTRING "Md5.1"
 
 #define HIDE_DISABLED  -2
 #define HIDE_NOT_STARTED -1
diff --git a/whois.spec b/whois.spec
index a2d936a..21ebef3 100644
--- a/whois.spec
+++ b/whois.spec
@@ -1,6 +1,6 @@
 Summary: Enhanced WHOIS client
 Name: whois
-Version: 5.0.26
+Version: 5.1.0
 Release: 1
 License: GPL
 Vendor: Marco d'Itri <md@linux.it>