diff --git a/CHANGELOG.md b/CHANGELOG.md
index 159f90a..b16af91 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@
 
 ## [Unreleased]
 
+
+## [4.0.3] - 2024-06-10
+
 ### Changed
 - Optimized final package size (reduced by 30% to 50%) by explicitly including necessary plugins/DLLs and excluding unnecessary ones with Nuitka [#47](https://github.com/AresValley/Artemis/issues/47)
 
@@ -98,7 +101,8 @@ First release.
 
 
 <!-- Links definitions -->
-[Unreleased]: https://github.com/AresValley/Artemis/compare/v4.0.1...HEAD
+[Unreleased]: https://github.com/AresValley/Artemis/compare/v4.0.3...HEAD
+[4.0.1]: https://github.com/AresValley/Artemis/compare/v4.0.1...v4.0.3
 [4.0.1]: https://github.com/AresValley/Artemis/compare/v3.2.4...v4.0.1
 [3.2.4]: https://github.com/AresValley/Artemis/compare/v3.2.1...v3.2.4
 [3.2.3]: https://github.com/AresValley/Artemis/compare/v3.2.2...v3.2.3
diff --git a/artemis/utils/constants.py b/artemis/utils/constants.py
index bac5802..a7f610f 100644
--- a/artemis/utils/constants.py
+++ b/artemis/utils/constants.py
@@ -10,7 +10,7 @@ class Constants():
     APPLICATION_NAME            = 'Artemis'
     ORGANIZATION_NAME           = 'AresValley'
     ORGANIZATION_DOMAIN         = 'aresvalley.com'
-    APPLICATION_VERSION         = '4.0.1'
+    APPLICATION_VERSION         = '4.0.3'
 
     SQL_NAME                    = 'data.sqlite'
 
diff --git a/building/Windows/build_windows.ps1 b/building/Windows/build_windows.ps1
index 5ec2717..a23beb5 100644
--- a/building/Windows/build_windows.ps1
+++ b/building/Windows/build_windows.ps1
@@ -27,8 +27,8 @@ python -m nuitka app.py `
   --force-stdout-spec="{TEMP}\artemis.out.log" `
   --windows-company-name=Aresvalley.com `
   --windows-product-name=Artemis `
-  --windows-file-version=4.0.1 `
-  --windows-product-version=4.0.1 `
+  --windows-file-version=4.0.3 `
+  --windows-product-version=4.0.3 `
   --windows-file-description=Artemis `
   --windows-icon-from-ico=images\artemis_icon.ico
 
diff --git a/building/Windows/windows_installer.iss b/building/Windows/windows_installer.iss
index 4e5e6ce..aabf955 100644
--- a/building/Windows/windows_installer.iss
+++ b/building/Windows/windows_installer.iss
@@ -1,5 +1,5 @@
 #define MyAppName "Artemis"
-#define MyAppVersion "4.0.1"
+#define MyAppVersion "4.0.3"
 #define MyAppPublisher "AresValley"
 #define MyAppURL "https://www.aresvalley.com/"
 #define MyAppExeName "artemis.exe"
diff --git a/building/macOS/build_macos.sh b/building/macOS/build_macos.sh
index b0ac3c2..79d8ebe 100644
--- a/building/macOS/build_macos.sh
+++ b/building/macOS/build_macos.sh
@@ -23,6 +23,6 @@ python -m nuitka app.py \
   --macos-app-name=Artemis \
   --macos-app-mode=gui \
   --macos-sign-identity=ad-hoc \
-  --macos-app-version=4.0.1
+  --macos-app-version=4.0.3
 
 echo "Building Linux target finished."