diff --git a/doc/sphinx/_doclib/development.rst b/doc/sphinx/_doclib/development.rst
index 48e17f811fa41ea687b09a0497bcf86837de387c..658ba5f5dfd30f13ff7a301d010808823867f92a 100644
--- a/doc/sphinx/_doclib/development.rst
+++ b/doc/sphinx/_doclib/development.rst
@@ -531,10 +531,6 @@ system takes the project version directly from following files (paths are relati
 to project root):
 
 * ``lib/mentat/__init__.py``
-* ``package.json``
-
-Sadly you have to adjust the version string on both of these places, currently
-there is no way how to do it on one.
 
 When building the **release** or **development** level packages, the automated
 build system appends an internal build number as additional subversion. This way
diff --git a/lib/mentat/__init__.py b/lib/mentat/__init__.py
index fac510120e41a9b7e43ce9a833fc383e15bc500d..5cbbc956f10626fdff0ce217a921637e8e9ccf76 100644
--- a/lib/mentat/__init__.py
+++ b/lib/mentat/__init__.py
@@ -20,4 +20,4 @@ open-source project.
 
 __author__  = "Jan Mach <jan.mach@cesnet.cz>"
 __credits__ = "Pavel Kácha <pavel.kacha@cesnet.cz>, Andrea Kropáčová <andrea.kropacova@cesnet.cz>"
-__version__ = "2.3.33"
+__version__ = "2.4.0"