diff --git a/installer/README.md b/installer/README.md
index c32993b..07d60df 100644
--- a/installer/README.md
+++ b/installer/README.md
@@ -1,7 +1,4 @@
-`setup.iss`: create installer .exe  
-`package.bat`: create .zip with 7-Zip
-
-Put these files in `data` directory before running `setup.iss` or `package.bat`:
+Put these files in `data` directory before running `setup.iss` :
 
 * UMWP Autochanger.exe (with a space, not an underscore)
 * redist/vcredist_x86.exe ([Visual C++ 2017 Redistributable x86](https://aka.ms/vs/15/release/vc_redist.x86.exe))
diff --git a/installer/package.bat b/installer/package.bat
deleted file mode 100644
index 612c0b2..0000000
--- a/installer/package.bat
+++ /dev/null
@@ -1 +0,0 @@
-"C:\Program Files\7-Zip\7z.exe" a UMWP_Autochanger_2.3.2.zip ./data/* -x!*.ico
\ No newline at end of file
diff --git a/installer/setup.iss b/installer/setup.iss
index 24aeb68..98366ab 100644
--- a/installer/setup.iss
+++ b/installer/setup.iss
@@ -1,6 +1,6 @@
 #define AppId "{401CCECB-FFCC-4AF3-846D-A535F59D0834}"
 #define AppName "UMWP Autochanger"
-#define AppVersion "2.3.2"
+#define AppVersion "2.4.0"
 #define AppPublisher "StrangePlanet"
 #define PublisherURL "https://www.strangeplanet.fr"
 #define ProjectURL "https://www.strangeplanet.fr/work/umwp-autochanger"
diff --git a/src/constants.h b/src/constants.h
index 06df2d1..f802c8d 100644
--- a/src/constants.h
+++ b/src/constants.h
@@ -1,10 +1,10 @@
 #ifndef VERSION_H
 #define VERSION_H
 
-#define CURRENT_YEAR "2019"
+#define CURRENT_YEAR "2020"
 #define APP_NAME "UMWP Autochanger"
-#define APP_VERSION "2.3.2"
-#define APP_VERSION_DW 2,3,2
+#define APP_VERSION "2.4.0"
+#define APP_VERSION_DW 2,4,0
 #define APP_COMPANYNAME "StrangePlanet"
 #define APP_FILEDESCRIPTION "Ultimate Monitor Wallpaper Autochanger"
 #define APP_LEGALCOPYRIGHT "Copyright (c) 2013-" CURRENT_YEAR " StrangePlanet"
@@ -25,7 +25,7 @@
 #define APP_ISSUES_URL "https://github.com/mistic100/UMWP-Autochanger/issues"
 #define APP_CHANGELOG_URL "https://www.strangeplanet.fr/work/umwp-autochanger/changelogs/%1.html"
 
-#define APP_INSTALLER_SIZE 13000000
+#define APP_INSTALLER_SIZE 19000000
 #define APP_MAX_TRAVERSAL 3
 #define APP_MAX_APP_RUNNING_MESSAGE_COUNT 3
 #define APP_MIN_WIDTH 450
diff --git a/src/lang/en_GB/changelog.htm b/src/lang/en_GB/changelog.htm
index 22d1200..87b46a5 100644
--- a/src/lang/en_GB/changelog.htm
+++ b/src/lang/en_GB/changelog.htm
@@ -1,4 +1,14 @@
 <dl>
+  <dt>Version 2.4.0 <small>May 2nd 2020</small></dt>
+  <dd>
+    <ul>
+      <li>New set option "Recent first""</li>
+      <li>New app icon</li>
+      <li>Ne more freeze when scanning a directory</li>
+      <li>Automatic cleanup of temporary files</li>
+    </ul>
+  </dd>
+
   <dt>Version 2.3.2 <small>January 6th 2019</small></dt>
   <dd>
     <ul>
diff --git a/src/lang/fr_FR/changelog.htm b/src/lang/fr_FR/changelog.htm
index a784c66..02a64cf 100644
--- a/src/lang/fr_FR/changelog.htm
+++ b/src/lang/fr_FR/changelog.htm
@@ -1,4 +1,14 @@
 <dl>
+  <dt>Version 2.4.0 <small>2 Mai 2020</small></dt>
+  <dd>
+    <ul>
+      <li>Nouvelle option de set "Recents en 1er"</li>
+      <li>Nouvelle icone d'application</li>
+      <li>Plus de blocage pendant l'analyse d'un répertoire</li>
+      <li>Nettoyage automatique des fichiers temporaires</li>
+    </ul>
+  </dd>
+
   <dt>Version 2.3.2 <small>6 Janvier 2019</small></dt>
   <dd>
     <ul>