diff --git a/LICENSE b/LICENSE
index ac029c6..a1e0344 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2017-2024, Vicente Rodriguez-Gomez
+Copyright (c) 2017-2025, Vicente Rodriguez-Gomez
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/docs/conf.py b/docs/conf.py
index 1dc53c6..4253ec1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -18,11 +18,11 @@
 # -- Project information -----------------------------------------------------
 
 project = 'statmorph'
-copyright = '2017-2024, Vicente Rodriguez-Gomez'
+copyright = '2017-2025, Vicente Rodriguez-Gomez'
 author = 'Vicente Rodriguez-Gomez'
 
 # The full version, including alpha/beta/rc tags
-release = '0.6.0'
+release = '0.6.1'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/setup.py b/setup.py
index 39626c0..fb50900 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 
 setup(
     name='statmorph',
-    version='0.6.0',
+    version='0.6.1',
     description='Non-parametric morphological diagnostics of galaxy images',
     long_description=long_description,
     url='https://github.com/vrodgom/statmorph',
@@ -34,7 +34,7 @@
                       'scikit-image>=0.25.0',
                       'astropy>=2.0',
                       'photutils>=0.7'],
-    python_requires='>=3.7',
+    python_requires='>=3.9',
     extras_require={
         'matplotlib': ['matplotlib>=3.0']},
 )
diff --git a/statmorph/statmorph.py b/statmorph/statmorph.py
index 59b90b1..9cb986d 100644
--- a/statmorph/statmorph.py
+++ b/statmorph/statmorph.py
@@ -36,7 +36,7 @@
     '__version__',
 ]
 
-__version__ = '0.6.0'
+__version__ = '0.6.1'
 
 # A list of the quantities calculated by SourceMorphology,
 # excluding the double Sersic parameters:
@@ -1006,7 +1006,7 @@ def _mask_stamp(self):
         if self._n_sigma_outlier > 0:
             mask_stamp_badpixels = self._get_badpixels(
                 self._image[self._slice_stamp])
-            self.num_badpixels = np.sum(mask_stamp_badpixels)
+            self.num_badpixels = int(np.sum(mask_stamp_badpixels))
 
         segmap_stamp = self._segmap.data[self._slice_stamp]
         mask_stamp = (segmap_stamp != 0) & (segmap_stamp != self.label)