diff --git a/src/battery/driver.volt b/src/battery/driver.volt
index 5b7c0f2..459b67f 100644
--- a/src/battery/driver.volt
+++ b/src/battery/driver.volt
@@ -54,7 +54,7 @@ class DefaultDriver : Driver
 public:
 	enum BatteryDirectory = ".battery";
 	enum BatteryConfigFile = "${BatteryDirectory}${dirSeparator}config.txt";
-	enum VersionNumber = "0.1.21-dev";
+	enum VersionNumber = "0.1.21";
 	enum VersionString = "battery version ${VersionNumber}";