diff --git a/linnstrument-firmware.ino b/linnstrument-firmware.ino
index f725588..b9c6e05 100644
--- a/linnstrument-firmware.ino
+++ b/linnstrument-firmware.ino
@@ -56,8 +56,8 @@ For any questions about this, contact Roger Linn Design at support@rogerlinndesi
 
 /******************************************** CONSTANTS ******************************************/
 
-const char* OSVersion = "231.";
-const char* OSVersionBuild = ".066";
+const char* OSVersion = "231";
+const char* OSVersionBuild = ".067";
 
 // SPI addresses
 #define SPI_LEDS    10               // Arduino pin for LED control over SPI