diff --git a/CHANGELOG.md b/CHANGELOG.md
index 36cec96..ca40f97 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
-Unreleased
-----------
+1.2.7
+-----
 
 - Add `IPAddr#to_json/as_json` [\#77](https://github.com/ruby/ipaddr/pull/77) ([taketo1113](https://github.com/taketo1113))
 - Consider IPv4-mapped IPv6 addresses link local/loopback if IPV4 address is private [\#65](https://github.com/ruby/ipaddr/pull/65) ([Earlopain](https://github.com/Earlopain))
diff --git a/lib/ipaddr.rb b/lib/ipaddr.rb
index e802c88..a450554 100644
--- a/lib/ipaddr.rb
+++ b/lib/ipaddr.rb
@@ -40,7 +40,7 @@
 #   p ipaddr3                   #=> #<IPAddr: IPv4:192.168.2.0/255.255.255.0>
 
 class IPAddr
-  VERSION = "1.2.6"
+  VERSION = "1.2.7"
 
   # 32 bit mask for IPv4
   IN4MASK = 0xffffffff