Trying to get things building but the docs fail

I think it's GMT's fault

.github/workflows/test.yml

@@ -47,7 +47,7 @@ jobs:
           - optional
         include:
           - dependencies: oldest
-            python: "3.7"
+            python: "3.9"
           - dependencies: latest
             python: "3.11"
           - dependencies: optional

env/requirements-docs.txt

@@ -1,11 +1,11 @@
-sphinx==4.5.*
-sphinx-book-theme==0.3.*
-sphinx-gallery==0.10.*
+sphinx==7.2.*
+sphinx-book-theme==1.1.*
+sphinx-gallery==0.15.*
 sphinx-copybutton==0.5.*
-sphinx-design==0.1.*
-matplotlib==3.5.*
+sphinx-design==0.5.*
+matplotlib==3.8.*
 cartopy>=0.20
 pyproj
-pygmt==0.6.*
-gmt==6.3.*
+pygmt==0.10.*
+gmt==6.5.*
 ipython

env/requirements-test.txt

@@ -3,4 +3,4 @@ pytest-cov
 pytest-mpl
 coverage
 matplotlib
-cartopy>=0.18
+cartopy>0.20

environment.yml

@@ -20,20 +20,20 @@ dependencies:
     - pykdtree
     - numba
     # Test
-    - matplotlib==3.5.*
+    - matplotlib==3.8.*
     - cartopy>=0.20
     - pytest
     - pytest-cov
     - pytest-mpl
     - coverage
     # Documentation
-    - sphinx==4.5.*
-    - sphinx-book-theme==0.3.*
-    - sphinx-gallery==0.10.*
+    - sphinx==7.2.*
+    - sphinx-book-theme==1.1.*
+    - sphinx-gallery==0.15.*
     - sphinx-copybutton==0.5.*
-    - sphinx-design==0.1.*
+    - sphinx-design==0.5.*
     - pyproj
-    - pygmt==0.6.*
+    - pygmt==0.10.*
     - gmt==6.3.*
     - ipython
     # Style

setup.cfg

@@ -23,11 +23,10 @@ classifiers =
     Topic :: Scientific/Engineering
     Topic :: Software Development :: Libraries
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
 url = https://github.com/fatiando/verde
 project_urls =
     Documentation = https://www.fatiando.org/verde
@@ -39,19 +38,19 @@ project_urls =
 zip_safe = True
 include_package_data = True
 packages = find:
-python_requires = >=3.7
+python_requires = >=3.9
 install_requires =
-    numpy>=1.19
-    scipy>=1.5
-    pandas>=1.1
-    xarray>=0.16
-    scikit-learn>=0.24
+    numpy>=1.23
+    scipy>=1.8
+    pandas>=1.4
+    xarray>=2022.03
+    scikit-learn>=1.0
     pooch>=1.2
-    dask>=2021.05.0
+    dask>=2022.01.0
 
 [options.extras_require]
 fast =
-    numba>=0.52
+    numba>=0.55
     pykdtree>=1.3
 
 [options.package_data]