diff --git a/README.md b/README.md
index 76071be24..728103aff 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ models for all libraries supporting the
 
 ## Version
 
-TEASER is a ongoing research project, the current version is 0.6.7, which is
+TEASER is a ongoing research project, the current version is 0.6.8, which is
 still a pre-release.
 
 ## How to use TEASER
diff --git a/doc/conf.py b/doc/conf.py
index eb3a9c620..10cf979d0 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -60,7 +60,7 @@
 # The short X.Y version.
 version = '0.6.'
 # The full version, including alpha/beta/rc tags.
-release = '0.6.7'
+release = '0.6.8'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index 5592d01e8..10299f41d 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 
 setup(name='teaser',
-      version='0.6.7',
+      version='0.6.8',
       description='Tool for Energy Analysis and Simulation for '
                   'Efficient Retrofit ',
       url='https://github.com/RWTH-EBC/TEASER',
diff --git a/teaser/logic/buildingobjects/calculation/ibpsa.py b/teaser/logic/buildingobjects/calculation/ibpsa.py
index d65526130..a74fdba68 100644
--- a/teaser/logic/buildingobjects/calculation/ibpsa.py
+++ b/teaser/logic/buildingobjects/calculation/ibpsa.py
@@ -45,7 +45,7 @@ def __init__(self, parent):
         self.parent = parent
         self.file_internal_gains = "InternalGains_" + self.parent.name + ".mat"
         self.version = {'AixLib': '0.7.3', 'Buildings': '5.1.0',
-                        'BuildingSystems': '2.0.0-beta2', 'IDEAS': '2.0.0'}
+                        'BuildingSystems': '2.0.0-beta2', 'IDEAS': '2.1.0'}
         self.consider_heat_capacity = True
 
     @staticmethod