diff --git a/CHANGES b/CHANGES
index 05bda56..0010890 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+3.1.2 2017-04-07
+- display UID
+- auto adjust TCP MSS
+
 3.1.1 2017-03-25
 - add "New session ticket"
 - ignore bind 10.0.0.0/8 and 192.168.0.0/16 by default
diff --git a/shadowsocks/version.py b/shadowsocks/version.py
index eed0e4e..882c72e 100644
--- a/shadowsocks/version.py
+++ b/shadowsocks/version.py
@@ -16,5 +16,5 @@
 # under the License.
 
 def version():
-    return '3.1.1 2017-03-25'
+    return '3.1.2 2017-04-07'