diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index dbd4469..b1ef8be 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.12.0
+current_version = 0.13.0
 commit = True
 tag = True
 tag_name = {new_version}
diff --git a/README.md b/README.md
index 935f1eb..1045238 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # himl
 A hierarchical config using yaml in Python.
 
-Latest version is: 0.12.0
+Latest version is: 0.13.0
 
 ## Description
 
diff --git a/himl/main.py b/himl/main.py
index 43a5f04..ae17a86 100644
--- a/himl/main.py
+++ b/himl/main.py
@@ -76,7 +76,7 @@ def get_parser(parser=None):
         parser.add_argument('--list-merge-strategy', dest='merge_list_strategy', type=ListMergeStrategy, choices=list(ListMergeStrategy),
                             default='append',
                             help='override default merge strategy for list')
-        parser.add_argument('--version', action='version', version='%(prog)s v{version}'.format(version="0.12.0"),
+        parser.add_argument('--version', action='version', version='%(prog)s v{version}'.format(version="0.13.0"),
                             help='print himl version')
         return parser
 
diff --git a/setup.py b/setup.py
index 6e05c2d..0debf99 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
 
 setup(
     name='himl',
-    version="0.12.0",
+    version="0.13.0",
     description='A hierarchical config using yaml',
     long_description=_readme + '\n\n',
     long_description_content_type='text/markdown',