diff --git a/VERSION b/VERSION
index 5fd1680eea..82ab006052 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.27.8.DEV
+2.27.8.20170501
diff --git a/release/LATEST-VERSION.js b/release/LATEST-VERSION.js
index 30b25d53cf..b7bbc54904 100644
--- a/release/LATEST-VERSION.js
+++ b/release/LATEST-VERSION.js
@@ -1 +1 @@
-homematic.com.setLatestVersion('2.27.8.20170413', 'HM-RASPBERRYMATIC');
+homematic.com.setLatestVersion('2.27.8.20170501', 'HM-RASPBERRYMATIC');