diff --git a/release/software/App-IOIO0504.zip b/release/software/App-IOIO0504.zip
new file mode 100644
index 000000000..987c7da66
Binary files /dev/null and b/release/software/App-IOIO0504.zip differ
diff --git a/software/IOIOLib/src/ioio/lib/impl/IOIOImpl.java b/software/IOIOLib/src/ioio/lib/impl/IOIOImpl.java
index c4c616bf7..4128753a6 100644
--- a/software/IOIOLib/src/ioio/lib/impl/IOIOImpl.java
+++ b/software/IOIOLib/src/ioio/lib/impl/IOIOImpl.java
@@ -262,7 +262,7 @@ public String getImplVersion(VersionType v) {
 		case APP_FIRMWARE_VER:
 			return incomingState_.firmwareId_;
 		case IOIOLIB_VER:
-			return "IOIO0503";
+			return "IOIO0504";
 		}
 		return null;
 	}