diff --git a/INSTALL.txt b/INSTALL.txt
index f57e7f00e..15f1c53c2 100644
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -127,7 +127,7 @@ II. Installation on GNU/Linux and MacOSX using the sources
   6. Restart OpenSlides:
 
         To restart OpenSlides after closing the terminal activate the
-        virtual environment (see 4.) before starting the server (see 6.).
+        virtual environment (see 3.) before starting the server (see 5.).
 
 
 III. Installation on Windows (32bit) using the Python Package Index (PyPI)
diff --git a/openslides/__init__.py b/openslides/__init__.py
index a349ef61b..01f5bd5b7 100644
--- a/openslides/__init__.py
+++ b/openslides/__init__.py
@@ -5,7 +5,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-VERSION = (1, 3, 1, 'alpha', 0)  # During development it is the next release
+VERSION = (1, 3, 1, 'alpha', 1)  # During development it is the next release
 RELEASE = False