diff --git a/CIAlign/_version.py b/CIAlign/_version.py
index 13361d1..8510098 100644
--- a/CIAlign/_version.py
+++ b/CIAlign/_version.py
@@ -1 +1 @@
-__version__ = "1.0.16"
+__version__ = "1.0.17"
diff --git a/setup.py b/setup.py
index ef2bd68..93c74a7 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
      package_dir={'cialign':'cialign'},
      package_data={'cialign': ['CIAlign/*.txt']},
      include_package_data=True,
-     install_requires=['matplotlib', 'numpy', 'ConfigArgParse', 'pillow'],
+     install_requires=['matplotlib', 'numpy>=1.21.0', 'ConfigArgParse', 'pillow'],
      scripts=['CIAlign/CIAlign'],
      classifiers=[
          "Programming Language :: Python :: 3",