diff --git a/filter_functions/__init__.py b/filter_functions/__init__.py
index d24f109..5f73f97 100644
--- a/filter_functions/__init__.py
+++ b/filter_functions/__init__.py
@@ -32,6 +32,6 @@
            'gradient', 'pulse_sequence', 'remap', 'util', 'superoperator', 'infidelity_derivative']
 
 
-__version__ = '1.1.3'
+__version__ = '1.2.0'
 __license__ = 'GNU GPLv3+'
 __author__ = 'Quantum Technology Group, RWTH Aachen University'