diff --git a/pyproject.toml b/pyproject.toml
index 2ce477f..97433d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "ModDotPlot"
-version = "0.8.8"
+version = "0.9.0"
 requires-python = ">= 3.7"
 dependencies = [
   "pysam",
diff --git a/src/moddotplot/const.py b/src/moddotplot/const.py
index 7e0bf70..9d3202c 100644
--- a/src/moddotplot/const.py
+++ b/src/moddotplot/const.py
@@ -1,4 +1,4 @@
-VERSION = "0.8.8"
+VERSION = "0.9.0"
 COLS = [
     "#query_name",
     "query_start",