diff --git a/ChangeLog b/ChangeLog
index 5c976d5..250d05f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+version 1.1.4
+
+	* add "keys" memcached extension command (#51).
+
 version 1.1.3
 
 	* auto-detect libtcmalloc.
diff --git a/src/constants.hpp b/src/constants.hpp
index effd8de..137bb71 100644
--- a/src/constants.hpp
+++ b/src/constants.hpp
@@ -31,7 +31,7 @@ const std::size_t   MAX_REQUEST_LENGTH  = 30 << 20; // 30 MiB
 const int           MAX_SLAVES          = 5;
 const int           MAX_CONSECUTIVE_GCS = 3;
 
-const char          VERSION[] = "yrmcds version 1.1.3";
+const char          VERSION[] = "yrmcds version 1.1.4";
 
 } // namespace yrmcds