diff --git a/docs/changes.txt b/docs/changes.txt
index 1d23ec9ec..573d34cac 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -1,3 +1,5 @@
+* changes v5.1.0 -> v5.x.x
+
 * changes v5.0.0 -> v5.1.0
 
 ##
diff --git a/src/Makefile b/src/Makefile
index f860a2d8f..f0796d448 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -5,7 +5,7 @@
 
 SHARED                  := 0
 DEBUG                   := 0
-PRODUCTION              := 1
+PRODUCTION              := 0
 PRODUCTION_VERSION      := v5.1.0
 ENABLE_BRAIN            := 1
 USE_SYSTEM_LZMA         := 0