diff --git a/Software/Software.cpp b/Software/Software.cpp
index 81412e76..9dca621e 100644
--- a/Software/Software.cpp
+++ b/Software/Software.cpp
@@ -34,7 +34,7 @@
 #endif
 
 // The current software version, shown on webserver
-const char* version_number = "9.0.RC5";
+const char* version_number = "9.0.RC6experimental";
 
 // Interval timers
 volatile unsigned long currentMillis = 0;
diff --git a/Software/src/lib/pierremolinaro-acan-esp32/ACAN_ESP32_Settings.h b/Software/src/lib/pierremolinaro-acan-esp32/ACAN_ESP32_Settings.h
index 9f1d937e..9ad3136f 100644
--- a/Software/src/lib/pierremolinaro-acan-esp32/ACAN_ESP32_Settings.h
+++ b/Software/src/lib/pierremolinaro-acan-esp32/ACAN_ESP32_Settings.h
@@ -101,7 +101,7 @@ class ACAN_ESP32_Settings {
   //    Transmit buffer sizes
   // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
-    public: uint16_t mDriverTransmitBufferSize = 16 ;
+    public: uint16_t mDriverTransmitBufferSize = 32 ;
 
   // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
   //    Compute actual bit rate