diff --git a/DEVELOPMENT.rst b/DEVELOPMENT.rst
index 856aa75bf..726dd29dd 100644
--- a/DEVELOPMENT.rst
+++ b/DEVELOPMENT.rst
@@ -91,9 +91,8 @@ that the 32-bit installer is required even on a 64-bit Windows system. If
 you use the 64-bit installer, step d. of the instruction will fail unless
 you installed the package Reportlab manually.
 
-You also have to install Setuptools. Download and run (via double click)
-the last `install script ez_setup.py for Setuptools
-<https://pypi.python.org/pypi/setuptools/#installation-instructions>`_.
+You have to install MS Visual C++ 2015 build tools before you install the
+required python packages for OpenSlides (unfortunately Twisted 16.6.x needs it).
 
 To setup and activate the virtual environment in step c. use::
 
diff --git a/requirements_production.txt b/requirements_production.txt
index 23e821f60..a74509a17 100644
--- a/requirements_production.txt
+++ b/requirements_production.txt
@@ -5,7 +5,6 @@ djangorestframework>=3.4,<3.5
 jsonfield>=1.0,<1.1
 PyPDF2>=1.26,<1.27
 roman>=2.0,<2.1
-setuptools>=18.5,<33.0
-Twisted>=16.2,<16.4
+setuptools>=29.0,<35.0
 Whoosh>=2.7,<2.8
 bleach>=1.5.0,<1.6