fix min deps

CHANGELOG.md

@@ -7,7 +7,7 @@
 ### Breaking changes
 
 - Removed support for python 3.7 and python 3.8 ([#88](https://github.com/mathause/mplotutils/pull/88)).
-- The minimum versions of some dependencies were changed ([#88](https://github.com/mathause/mplotutils/pull/88)).
+- The minimum versions of some dependencies were changed ([#88](https://github.com/mathause/mplotutils/pull/88) and [#91](https://github.com/mathause/mplotutils/pull/91)).
 
   | Package      | Old   | New     |
   | ------------ | ----- | -----   |

requirements.txt

@@ -2,6 +2,6 @@
 # it exists to let GitHub build the repository dependency graph
 # https://help.github.com/en/github/visualizing-repository-data-with-graphs/listing-the-packages-that-a-repository-depends-on
 
-cartopy >= 0.18
-matplotlib >= 3.4
-numpy >= 1.17
+cartopy >= 0.20
+matplotlib >= 3.5
+numpy >= 1.23

setup.cfg

@@ -25,9 +25,9 @@ zip_safe = False  # https://mypy.readthedocs.io/en/latest/installed_packages.htm
 include_package_data = True
 python_requires = >=3.9
 install_requires =
-    cartopy >= 0.18
-    matplotlib >= 3.4
-    numpy >= 1.17
+    cartopy >= 0.20
+    matplotlib >= 3.5
+    numpy >= 1.23
 
 [tool:pytest]
 filterwarnings =