diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52d0db9b..baf86d83 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
-Upcoming
-========
+4.0
+===
 
 New features:
 * In-place batch editing of layers is now available. Procedures can now be applied directly to the layers without exporting them. This option is available by checking "Batch Editing" under the "Settings" button.
diff --git a/README.md b/README.md
index c2fb19cf..2db7d282 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Features
 * Customize processing with procedures and constraints
 
 
-### [Download latest release](https://github.com/kamilburda/gimp-export-layers/releases/tag/3.3.7) (3.3.7, July 03, 2023)
+### [Download latest release](https://github.com/kamilburda/gimp-export-layers/releases/tag/4.0) (4.0, August 06, 2023)
 
 See the [documentation](https://kamilburda.github.io/gimp-export-layers/sections) for information about installation, usage and known issues.
 
diff --git a/export_layers/config.py b/export_layers/config.py
index ad1aa0e0..c0ba723e 100644
--- a/export_layers/config.py
+++ b/export_layers/config.py
@@ -20,8 +20,8 @@
 c.LOG_MODE = 'exceptions'
 
 c.PLUGIN_TITLE = lambda: _('Export Layers')
-c.PLUGIN_VERSION = '3.3.7'
-c.PLUGIN_VERSION_RELEASE_DATE = 'July 03, 2023'
+c.PLUGIN_VERSION = '4.0'
+c.PLUGIN_VERSION_RELEASE_DATE = 'August 06, 2023'
 c.AUTHOR_NAME = 'Kamil Burda'
 c.COPYRIGHT_YEARS = '2013-2023'
 c.PAGE_URL = 'https://kamilburda.github.io/gimp-export-layers'
diff --git a/export_layers/locale/gimp-plugin-export-layers.pot b/export_layers/locale/gimp-plugin-export-layers.pot
index 87fd56a9..cddde54a 100644
--- a/export_layers/locale/gimp-plugin-export-layers.pot
+++ b/export_layers/locale/gimp-plugin-export-layers.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: 'export_layers' 4.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2023-08-06 12:05+0200\n"
+"POT-Creation-Date: 2023-08-06 13:56+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"