diff --git a/.zenodo.json b/.zenodo.json
index 59cb172..346acf7 100644
--- a/.zenodo.json
+++ b/.zenodo.json
@@ -1,5 +1,5 @@
 {
-    "title": "AutoClassWeb (v2.2.0): a simple web interface for Bayesian clustering",
+    "title": "AutoClassWeb (v2.2.1): a simple web interface for Bayesian clustering",
     "creators": [{
          "name": "Poulain, Pierre",
         "orcid": "0000-0003-4177-3619"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0db96bf..7fadb29 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 **Dev**
+
+**2.2.1**
 - Update app title
 
 **2.2.0**
diff --git a/Dockerfile b/Dockerfile
index 81e1b5e..2f305ef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ FROM ubuntu:20.04
 LABEL base_image="ubuntu:20.04"
 LABEL version="1"
 LABEL software="autoclassweb"
-LABEL software.version="2.2.0"
+LABEL software.version="2.2.1"
 LABEL about.summary="AutoClassWeb: a simple web interface for Bayesian clustering"
 LABEL about.home="https://github.com/pierrepo/autoclassweb"
 LABEL about.documentation="https://github.com/pierrepo/autoclassweb"
diff --git a/devtools/bumpversion.cfg b/devtools/bumpversion.cfg
index bab02ca..cd8fb13 100644
--- a/devtools/bumpversion.cfg
+++ b/devtools/bumpversion.cfg
@@ -1,7 +1,7 @@
 [bumpversion]
 commit = True
 tag = True
-current_version = 2.2.0
+current_version = 2.2.1
 
 [bumpversion:file:flaskapp/__init__.py]
 
diff --git a/flaskapp/__init__.py b/flaskapp/__init__.py
index bf23c58..3acb32b 100644
--- a/flaskapp/__init__.py
+++ b/flaskapp/__init__.py
@@ -48,7 +48,7 @@
 # config module must be loaded after user config file
 import config
 app.config.from_object(config.CreateConfig)
-app.config["VERSION"] = "2.2.0"
+app.config["VERSION"] = "2.2.1"
 app.logger.info(f"AutoClassWeb version: {app.config['VERSION']}")