diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 3139dc5..376aa53 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.1.4
+current_version = 0.1.5
 commit = True
 tag = True
 
diff --git a/pyproject.toml b/pyproject.toml
index bcfc2a3..260f595 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool]
 [tool.poetry]
 name = "smunger"
-version = "0.1.4"
+version = "0.1.5"
 homepage = "https://github.com/jianhua/smunger"
 description = "munger for GWAS summary statistics."
 authors = ["Jianhua Wang <jianhua.mert@gmail.com>"]
diff --git a/smunger/__init__.py b/smunger/__init__.py
index 5d4520f..1015bfc 100644
--- a/smunger/__init__.py
+++ b/smunger/__init__.py
@@ -30,7 +30,7 @@
 
 __author__ = """Jianhua Wang"""
 __email__ = 'jianhua.mert@gmail.com'
-__version__ = '0.1.4'
+__version__ = '0.1.5'
 
 # Set up logging
 logging.basicConfig(