diff --git a/source/conf.py b/source/conf.py
index 2b8580c..1e40010 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -22,7 +22,7 @@ copyright = '2017-2021, 依瑪貓, 2017-2018, 國立臺灣師範大學, 2020-202
 author = '依瑪貓, 智新資通'
 
 # The full version, including alpha/beta/rc tags
-release = '4.1'
+release = '4.2'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/source/index.rst b/source/index.rst
index 9888b13..47b6c85 100644
--- a/source/index.rst
+++ b/source/index.rst
@@ -35,7 +35,7 @@ LimeSurvey的常用功能。全部研讀完畢約需兩小時。您也可以直
 .. _參與者名單CSV檔範例: https://limesurvey.imacat.idv.tw/learning/participants-example.csv
 .. _Sphinx/reStructuredText: https://www.sphinx-doc.org
 .. _GitHub上的開源專案: https://github.com/imacat/learning-limesurvey
-.. _原始檔: https://limesurvey.imacat.idv.tw/learning/learning-limesurvey-4.1.zip
+.. _原始檔: https://limesurvey.imacat.idv.tw/learning/learning-limesurvey-4.2.zip
 .. _本學習手冊上的範例問卷: https://limesurvey.imacat.idv.tw/161873
 .. _LimeSurvey官方線上說明: https://manual.limesurvey.org
 .. _舊版LimeSurvey 3學習手冊: https://limesurvey.imacat.idv.tw/learning/v3/