diff --git a/version_appveyor.ps1 b/version_appveyor.ps1
new file mode 100644
index 0000000..d925f2c
--- /dev/null
+++ b/version_appveyor.ps1
@@ -0,0 +1,5 @@
+$tag = git describe --tags --always
+if (-Not ($tag -match ".+\..+\..+\..+")) {
+    $tag = "0.0.0." + $tag
+}
+Update-AppveyorBuild -Version $tag