diff --git a/gui/package.json b/gui/package.json
index 86f6e817..f7a9ad9b 100644
--- a/gui/package.json
+++ b/gui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "FreeDATA",
-  "version": "0.5.0-alpha.1",
+  "version": "0.6.0-alpha.1",
   "description": "FreeDATA ",
   "main": "main.js",
   "scripts": {
diff --git a/tnc/audio.py b/tnc/audio.py
index 475cf780..41190bb6 100644
--- a/tnc/audio.py
+++ b/tnc/audio.py
@@ -42,8 +42,8 @@ def get_audio_devices():
         proc.start()
         proc.join()
 
-        #log.debug("[AUD] get_audio_devices: input_devices:", list=f"{proxy_input_devices}")
-        #log.debug("[AUD] get_audio_devices: output_devices:", list=f"{proxy_output_devices}")
+        log.debug("[AUD] get_audio_devices: input_devices:", list=f"{proxy_input_devices}")
+        log.debug("[AUD] get_audio_devices: output_devices:", list=f"{proxy_output_devices}")
         return list(proxy_input_devices), list(proxy_output_devices)
 
 
diff --git a/tnc/static.py b/tnc/static.py
index 70559f84..ed69a06d 100644
--- a/tnc/static.py
+++ b/tnc/static.py
@@ -11,7 +11,7 @@ Not nice, suggestions are appreciated :-)
 import subprocess
 from enum import Enum
 
-VERSION = "0.5.0-alpha"
+VERSION = "0.6.0-alpha"
 
 # DAEMON
 DAEMONPORT: int = 3001
@@ -85,7 +85,7 @@ ENABLE_FFT: bool = False
 CHANNEL_BUSY: bool = False
 
 # ARQ PROTOCOL VERSION
-ARQ_PROTOCOL_VERSION: int = 2
+ARQ_PROTOCOL_VERSION: int = 3
 
 # ARQ statistics
 ARQ_BYTES_PER_MINUTE_BURST: int = 0