prepare for 2.7.8
diff --git a/release-notes/VERSION b/release-notes/VERSION
index 27615e3..e59b386 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -14,7 +14,7 @@
 === Releases ===
 ------------------------------------------------------------------------
 
-2.7.8 (not yet released)
+2.7.8 (26-Sep-2016)
 
 #317: ArrayIndexOutOfBoundsException: 200 on floating point number with exactly
   200-length decimal part