diff --git a/.readthedocs.yml b/.readthedocs.yml
index ebe953aa..9ce0f7ae 100755
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -5,6 +5,11 @@
 # Required
 version: 2
 
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "3.8"
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/source/conf.py
@@ -19,6 +24,6 @@ formats:
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-  version: 3.7
+#  version: 3.7
   install:
     - requirements: docs/requirements.txt
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 9b19b957..b05a439e 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -24,7 +24,7 @@
 # The full version, including alpha/beta/rc tags
 # TODO: it would be great to have a common versioning, but right now it would require importing neofox here which does
 # TODO: not work in readthedocs environment
-release = "0.4.0.dev2"
+release = "1.1.0"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/neofox/__init__.py b/neofox/__init__.py
index 8d99b4a7..41b52e37 100755
--- a/neofox/__init__.py
+++ b/neofox/__init__.py
@@ -18,7 +18,7 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.#
 
 
-VERSION = "1.1.0"
+VERSION = "1.1.1"
 
 REFERENCE_FOLDER_ENV = "NEOFOX_REFERENCE_FOLDER"
 NEOFOX_BLASTP_ENV = "NEOFOX_BLASTP"