diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 144ec64..620258f 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.0
+current_version = 0.4.0
 commit = True
 tag = True
 sign_tags = True
diff --git a/app.py b/app.py
index d23bc34..e535a20 100644
--- a/app.py
+++ b/app.py
@@ -21,7 +21,7 @@
 from datetime import datetime
 import json
 
-script_version = '0.3.0'
+script_version = '0.4.0'
 script_authors = 'Jason Ramboz'
 script_repo = 'https://github.com/jramboz/tintalle'
 
diff --git a/tintalle-mac.spec b/tintalle-mac.spec
index 27bf484..058c451 100644
--- a/tintalle-mac.spec
+++ b/tintalle-mac.spec
@@ -50,6 +50,6 @@ app = BUNDLE(
     info_plist={
         'NSPrincipalClass': 'NSApplication',
         'NSAppleScriptEnabled': False,
-        "CFBundleShortVersionString":"0.3.0",
+        "CFBundleShortVersionString":"0.4.0",
     }
 )
diff --git a/tintalle.iss b/tintalle.iss
index aaa0fcb..a47bc96 100644
--- a/tintalle.iss
+++ b/tintalle.iss
@@ -2,7 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "Tintalle"
-#define MyAppVersion "0.3.0"
+#define MyAppVersion "0.4.0"
 #define MyAppPublisher "Jason Ramboz"
 #define MyAppURL "https://github.com/jramboz/tintalle"
 #define MyAppExeName "Tintalle.exe"