diff --git a/PixivConstant.py b/PixivConstant.py
index 3689c52c..e0119683 100644
--- a/PixivConstant.py
+++ b/PixivConstant.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-PIXIVUTIL_VERSION = '20201025'
+PIXIVUTIL_VERSION = '20201031'
 PIXIVUTIL_LINK = 'https://github.com/Nandaka/PixivUtil2/releases'
 PIXIVUTIL_DONATE = 'https://bit.ly/PixivUtilDonation'
 
diff --git a/changelog.txt b/changelog.txt
index bf4ca481..6db0722d 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,10 @@
+20201031
+- Merge Fix bug of header (#853) by markhuang3310.
+- Merge Added Series Info and conditionals to JSON/txt, and removed an unneccesary string format (#851) by byjtje.
+- Update readme.md (please read...)
+- monkey-patch cloudscraper method for browsers.json filepath resolution.
+- update cacert.pem path resolution to count if the exe being called from different folder
+
 20201025
 - Merge To be consistent with PixivBatchHandler. Fix #844 (#845) by fireattack.
 - Implement #842: to use cacert.pem from the root directory if frozen.