diff --git a/CHANGES b/CHANGES
index a6c03dc1b..2436635ba 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,7 +2,11 @@
  Tongsuo CHANGES
  _______________
 
- Changes between 8.4.0-pre1 and 8.4.0-pre2 [xx XXX xxxx]
+ Changes between 8.4.0-pre2 and 8.4.0-pre3 [xx XXX xxxx]
+
+  *)
+
+ Changes between 8.4.0-pre1 and 8.4.0-pre2 [17 Aug 2023]
 
   *) 修复CVE-2023-3817
 
diff --git a/VERSION.dat b/VERSION.dat
index 3dbc77ac7..705ed4d96 100644
--- a/VERSION.dat
+++ b/VERSION.dat
@@ -8,4 +8,4 @@ SHLIB_VERSION=3
 TONGSUO_MAJOR=8
 TONGSUO_MINOR=4
 TONGSUO_PATCH=0
-TONGSUO_PRE_RELEASE_TAG=pre1
+TONGSUO_PRE_RELEASE_TAG=pre2