diff --git a/include/xbps.h.in b/include/xbps.h.in
index 19e852db..0cb01723 100644
--- a/include/xbps.h.in
+++ b/include/xbps.h.in
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2008-2016 Juan Romero Pardines.
+ * Copyright (c) 2008-2019 Juan Romero Pardines.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -48,7 +48,7 @@
  *
  * This header documents the full API for the XBPS Library.
  */
-#define XBPS_API_VERSION	"20180730"
+#define XBPS_API_VERSION	"20190614"
 
 #ifndef XBPS_VERSION
  #define XBPS_VERSION		"UNSET"
diff --git a/lib/Makefile b/lib/Makefile
index d1afb299..edd08d6c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,6 +1,6 @@
 -include ../config.mk
 
-LIBXBPS_MAJOR = 3
+LIBXBPS_MAJOR = 4
 LIBXBPS_MINOR = 0
 LIBXBPS_MICRO = 0
 LIBXBPS_SHLIB = libxbps.so.$(LIBXBPS_MAJOR).$(LIBXBPS_MINOR).$(LIBXBPS_MICRO)