diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5329ffc9..3cb7c62c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
-1.5.6 - XXXXXXXXXXXXX
-=====================
+1.5.6 - December 4, 2015
+========================
 
 * Pull 263: Making the lock key separator in PseudoLockBase configurable
 * Pull 268: Fix JSON config integer parsing (issue #184)