diff --git a/package_control/pep440.py b/package_control/pep440.py
index 2f7af33a..6acfffd9 100644
--- a/package_control/pep440.py
+++ b/package_control/pep440.py
@@ -371,7 +371,7 @@ def local(self):
     @property
     def is_final(self):
         """Version represents a final release."""
-        return self._tup[2][0][0] == 0
+        return self._tup[2][0][0] >= 0
 
     @property
     def is_dev(self):
diff --git a/package_control/tests/test_pep440_version.py b/package_control/tests/test_pep440_version.py
index bd59c893..7e33449e 100644
--- a/package_control/tests/test_pep440_version.py
+++ b/package_control/tests/test_pep440_version.py
@@ -309,3 +309,24 @@ def not_equal(self, a, b):
         va = PEP440Version(a)
         vb = PEP440Version(b)
         self.assertNotEqual(va, vb)
+
+    @data(
+        (
+            ("1.0dev", False),
+            ("1.0a1", False),
+            ("1.0a1.post1", False),
+            ("1.0b1", False),
+            ("1.0b1.post1", False),
+            ("1.0rc", False),
+            ("1.0rc.post1", False),
+            ("1.0rc1", False),
+            ("1.0rc1.post1", False),
+            ("1.0-alpha", False),
+            ("1.0rc1.post1", False),
+            ("1.0", True),
+            ("1.0.post", True),
+            ("1.0.post1", True),
+        )
+    )
+    def is_final(self, ver, result):
+        self.assertEqual(result, PEP440Version(ver).is_final)