diff --git a/README.md b/README.md
index dc4fbec..5e4efe8 100644
--- a/README.md
+++ b/README.md
@@ -190,7 +190,7 @@ I grouped most of the variables you may want to modify in this section ([see Doc
 Obviously you can also build your own firmware. To build the *standard* one I used:
 
 - Arduino IDE `2.3.2`
-- `Adafruit TinyUSB Library` version `3.1.4`, `Pico-PIO-USB` version `0.5.2`, Board `Raspberry Pi RP2040 (3.8.1)` setting Tools=>CPU Speed at `120MHz` and Tools=>USB Stack to `Adafruit TinyUSB`
+- `Adafruit TinyUSB Library` version `3.3.1`, `Pico-PIO-USB` version `0.5.3`, Board `Raspberry Pi RP2040 (3.9.3)` setting Tools=>CPU Speed at `120MHz` and Tools=>USB Stack to `Adafruit TinyUSB`
 - `Adafruit_SSD1306` OLED library version `2.5.10`
 
 If you want to re-create a new fake filesystem, you may want to have a look to the `utils` folder, where I placed some utilities to build a new one.