diff --git a/CHANGES.md b/CHANGES.md
index 7f25f882e801e92d5751dc295949252aaebc3ec3..bab729cac7736c973e15615d957b1f65467c02dc 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,6 @@
+# 0.48.0 (2018/06/19)
+  * remove `conll_fields` mechanism (names of conll fields 2, 4 and 5 are fomr, upos, xpos)
+
 ## 0.47.2 (2018/05/04)
   * Deal with increasing Grs
 
diff --git a/VERSION b/VERSION
index 39483cbe61b1db3aa6c741cb00bc1c1a87668315..a758a09aae5ea83bb2ad53754dd2e90d903c8a10 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.47.2
\ No newline at end of file
+0.48.0