diff --git a/frontend/index.html b/frontend/index.html
index 422aca7..1baa456 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -1456,7 +1456,7 @@ function onFilterChange() {
 }
 
 // ──────────────────── Versioning ────────────────────
-const PWA_VERSION = '1.3.0';
+const PWA_VERSION = '1.4.0';
 const MIN_SERVER_VERSION = '1.0.0';
 
 function parseVersion(v) {
diff --git a/frontend/sw.js b/frontend/sw.js
index 7fe6f3f..f402596 100644
--- a/frontend/sw.js
+++ b/frontend/sw.js
@@ -1,4 +1,4 @@
-const CACHE = 'simtrace-analyser-v5';
+const CACHE = 'simtrace-analyser-v6';
 
 const PRECACHE = [
     'index.html',
diff --git a/pyproject.toml b/pyproject.toml
index 832ce42..bb685fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.backends._legacy:_Backend"
 
 [project]
 name = "simtrace2-pysniff"
-version = "1.3.0"
+version = "1.4.0"
 description = "Python-based sniffing tool for SIMtrace2 hardware (SIM card communication sniffer)"
 readme = {file = "README.md", content-type = "text/markdown"}
 license = {text = "GPL-2.0-or-later"}
diff --git a/simtrace2_pysniff/__init__.py b/simtrace2_pysniff/__init__.py
index 3a2fac8..1f59784 100644
--- a/simtrace2_pysniff/__init__.py
+++ b/simtrace2_pysniff/__init__.py
@@ -6,7 +6,7 @@ from .gsmtap import GsmtapSender, GsmtapReceiver
 from .pcap import PcapWriter
 from .dump import FileDumper, format_message
 
-__version__ = '1.3.0'
+__version__ = '1.4.0'
 __all__ = [
     'SniffSession',
     'DeviceDisconnected',
diff --git a/tests/test_pcap_import.py b/tests/test_pcap_import.py
index 8ccadb2..0975e13 100644
--- a/tests/test_pcap_import.py
+++ b/tests/test_pcap_import.py
@@ -197,7 +197,7 @@ class TestImportEndpoint(unittest.TestCase):
 class TestVersion(unittest.TestCase):
     def test_package_version(self):
         from simtrace2_pysniff import __version__
-        self.assertEqual(__version__, '1.3.0')
+        self.assertEqual(__version__, '1.4.0')
 
     def test_status_includes_version(self):
         import os