diff --git a/pype/plugins/global/publish/validate_version.py b/pype/plugins/global/publish/validate_version.py
new file mode 100644
index 0000000000..c484c517bb
--- /dev/null
+++ b/pype/plugins/global/publish/validate_version.py
@@ -0,0 +1,18 @@
+import pyblish
+
+
+class ValidateVersion(pyblish.api.InstancePlugin):
+    """Validate instance version.
+
+    Pype is not allowing overwiting previously published versions.
+    """
+
+    order = pyblish.api.ValidatorOrder
+
+    label = "Validate Version"
+
+    def process(self, instance):
+        version = int(instance.data.get("version"))
+        last_version = int(instance.data.get("lastVersion"))
+
+        assert (version != last_version), "This workfile version is already in published: database: `{0}`, workfile: `{1}`".format(last_version, version)