diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index b2fe6ab7..7f53d931 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,12 +1,12 @@
 [bumpversion]
 commit = True
 tag = True
-current_version = 0.1-dev
+current_version = 0.1
 parse = (?P<major>\d+)\.(?P<minor>\d+)(\.(?P<patch>\d+))?(\-(?P<release>\w+))?
-serialize =
-    {major}.{minor}.{patch}-{release}
-    {major}.{minor}.{patch}
-    {major}.{minor}
+serialize = 
+	{major}.{minor}.{patch}-{release}
+	{major}.{minor}.{patch}
+	{major}.{minor}
 
 [bumpversion:file:setup.py]
 
@@ -14,6 +14,7 @@ serialize =
 
 [bumpversion:part:release]
 optional_value = final
-values =
-    dev
-    final
+values = 
+	dev
+	final
+
diff --git a/setup.py b/setup.py
index 29d867f9..56200611 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 URL                 = 'https://github.com/jni/skan'
 LICENSE             = 'BSD 3-clause'
 DOWNLOAD_URL        = 'https://github.com/jni/skan'
-VERSION             = '0.1-dev'
+VERSION             = '0.1'
 PYTHON_VERSION      = (3, 5)
 INST_DEPENDENCIES   = {} 
 
diff --git a/skan/__init__.py b/skan/__init__.py
index 4a8c8d06..5bc103ca 100644
--- a/skan/__init__.py
+++ b/skan/__init__.py
@@ -1,6 +1,6 @@
 from .csr import skeleton_to_csgraph, branch_statistics, summarise
 
-__version__ = '0.1-dev'
+__version__ = '0.1'
 
 __all__ = ['skeleton_to_csgraph',
            'branch_statistics',