diff --git a/rna/__init__.py b/rna/__init__.py
index d28146fa477169a7cefaba882bb3ee0abb978516..c442e05ef45f4bdc2355adc4a87cda02d78c348b 100644
--- a/rna/__init__.py
+++ b/rna/__init__.py
@@ -2,7 +2,7 @@
 
 __author__ = """Daniel Böckenhoff"""
 __email__ = "dboe@ipp.mpg.de"
-__version__ = "0.6.3"
+__version__ = "0.6.4"
 
 from . import plotting
 from . import log  # NOQA
diff --git a/setup.cfg b/setup.cfg
index 4e06d4544bcbf835e469bce10e70213c63663767..79d1e4e44245b494df1375293487ade29d0fb1c1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.6.3
+current_version = 0.6.4
 tag = True
 commit = True
 message = release-v{new_version}
diff --git a/setup.py b/setup.py
index a0b9934aca94c964047f00fb24afc2aaa2b00797..e64e83d758e9b442e1e298150dac1fb5276f16c8 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,3 @@
 from setuptools import setup
 
-setup(version="0.6.3")
+setup(version="0.6.4")