diff --git a/.bumpversion.cfg b/.bumpversion.cfg
deleted file mode 100644
index 4898aa3..0000000
--- a/.bumpversion.cfg
+++ /dev/null
@@ -1,9 +0,0 @@
-[bumpversion]
-current_version = 0.1.5
-commit = True
-tag = True
-tag_name = {new_version}
-
-[bumpversion:file:color_operations/__init__.py]
-search = __version__ = "{current_version}"
-replace = __version__ = "{new_version}"
diff --git a/CHANGES.md b/CHANGES.md
index 10fac32..735acbb 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,8 @@
 
+## 0.1.6 (2024-10-07)
+
+* update numpy version in build-system
+
 ## 0.1.5 (2024-06-26)
 
 * add **numpy 2.0** build
diff --git a/pyproject.toml b/pyproject.toml
index 1d0b20d..cacdeb7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = [
   "setuptools",
   "wheel",
   "cython>=0.29.32",
-  "numpy==2.0.0; python_version >= '3.9'",
+  "numpy>=2.0; python_version >= '3.9'",
   "oldest-supported-numpy; python_version < '3.9'"
 ]
 
@@ -51,3 +51,18 @@ ignore = [
 
 [tool.ruff.lint.mccabe]
 max-complexity = 14
+
+
+[tool.bumpversion]
+current_version = "0.1.5"
+search = "{current_version}"
+replace = "{new_version}"
+regex = false
+tag = true
+commit = true
+tag_name = "{new_version}"
+
+[[tool.bumpversion.files]]
+filename = "color_operations/__init__.py"
+search = '__version__ = "{current_version}"'
+replace = '__version__ = "{new_version}"'
diff --git a/setup.py b/setup.py
index 42265ea..73c3adc 100644
--- a/setup.py
+++ b/setup.py
@@ -104,6 +104,7 @@
         ],
         "dev": [
             "pre-commit",
+            "bump-my-version",
         ],
     },
 )