diff --git a/Makefile b/Makefile
index 435d10d..d1025dd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION ?= 0.4.1
+VERSION ?= 0.4.2
 CACHE ?= --no-cache=1
 FULLVERSION ?= ${VERSION}
 archs ?= arm32v7 amd64 i386 arm64v8 arm32v6
diff --git a/github_release_notifier/__init__.py b/github_release_notifier/__init__.py
index 8560241..71d9a7b 100644
--- a/github_release_notifier/__init__.py
+++ b/github_release_notifier/__init__.py
@@ -3,4 +3,4 @@
 """
 
 __all__ = ['parser', 'webhook', 'notifier']
-__version__ = '0.4.1'
+__version__ = '0.4.2'
diff --git a/github_release_notifier/notifier.py b/github_release_notifier/notifier.py
index 7f330e8..ddb9c13 100644
--- a/github_release_notifier/notifier.py
+++ b/github_release_notifier/notifier.py
@@ -14,6 +14,13 @@
 __DEFAULT_FILE__ = os.getenv('GRN_VERSIONS_FILE', str(Path.home()) + '/.github_release_notifier/versions')
 
 
+def version_compare(version1: str, version2: str) -> int:
+    def normalize(v):
+        return [int(x) for x in re.sub(r'([^.0-9]+)', '', v).split(".")]
+
+    return (normalize(version1) > normalize(version2)) - (normalize(version1) < normalize(version2))
+
+
 def _call_webhook(webhook: str, entry: str, logger: logging.Logger) -> None:
     logger.info("Hook call : %s / %s" % (webhook, json.dumps(entry)))
     try:
@@ -32,9 +39,7 @@ def run(file: str = __DEFAULT_FILE__) -> dict:
                 try:
                     condition = LooseVersion(str(entry['version'])) > LooseVersion(str(get_version(package)))
                 except TypeError as e:
-                    # https://bugs.python.org/issue14894
-                    # Always consider the version is new in case of buggy comparision
-                    condition = True
+                    condition = version_compare(str(entry['version']), str(get_version(package))) > 0
                 if condition:
                     database = _get_database(file)
                     database[package] = entry['version']