diff --git a/.readthedocs.yml b/.readthedocs.yml
index 7ce8634..94375c5 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,13 +1,9 @@
 version: 2
 
-sphinx:
-   configuration: doc/source/conf.py
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "mambaforge-22.9"
 
-python:
-   version: 3.8
-   install:
-    - method: setuptools
-      path: .
-      
-conda: 
-   environment: doc/environment.yml
+conda:
+  environment: doc/environment.yml
diff --git a/doc/environment.yml b/doc/environment.yml
index ddc209e..66e477c 100755
--- a/doc/environment.yml
+++ b/doc/environment.yml
@@ -1,27 +1,11 @@
 name: strawberry
 channels:
-  - conda-forge
   - openalea3
+  - conda-forge
 
 dependencies:
- - python=3.8  
- - openalea.deploy 
- - openalea.mtg 
- - openalea.plantgl 
- - openalea.lpy
- - openpyxl
- - cufflinks-py
- - pip:
-   - pyvis
-   - pandas
-   - k3d
-   - jupyter
-   - voila
-   - voila-vuetify
-   - nodejs
-   - ipyvuetify
-   - plotly
-   - nbsphinx
-   - sphinx-rtd-theme
-   - nbsphinx-link
-   - matplotlib
+  - python
+  - sphinx_rtd_theme
+  - openalea.strawberry
+  - nbsphinx
+  - nbsphinx-link
\ No newline at end of file
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 2fb72bd..a181b5f 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -22,7 +22,7 @@
 author = 'Marc Labadie, Christophe Pradal, Gaetan Heidsieck'
 
 # The full version, including alpha/beta/rc tags
-release = '1.1.0'
+release = '1.1.1'
 
 
 # -- General configuration ---------------------------------------------------