diff --git a/demo/Dockerfile b/demo/Dockerfile
index 4c6c68a..6c49579 100644
--- a/demo/Dockerfile
+++ b/demo/Dockerfile
@@ -12,7 +12,7 @@ WORKDIR /home/$USER
 USER $USER
 
 RUN python3 -m pip install --no-warn-script-location \
-    jupyterlab matplotlib python-magic qrcode rgb-lib==0.3.0a6
+    jupyterlab matplotlib python-magic qrcode rgb-lib==0.3.0a8
 
 COPY --chown=$USER:$USER rgb-lib.ipynb sample.png ./
 
diff --git a/pyproject.toml b/pyproject.toml
index 72bf49e..ee696b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = 'rgb-lib'
-version = '0.3.0a6'
+version = '0.3.0a8'
 description = 'RGB Lib Python language bindings.'
 license = 'MIT'
 authors = ['Zoe Faltibà <zoefaltiba@gmail.com>', 'Nicola Busanello <nicola.busanello@gmail.com>']
diff --git a/rgb-lib b/rgb-lib
index ae66c7b..c02320d 160000
--- a/rgb-lib
+++ b/rgb-lib
@@ -1 +1 @@
-Subproject commit ae66c7b7c0859dcafbf77db1d3dad26c5379bba3
+Subproject commit c02320deec6bd22c32fea0ee67029066af461145