diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d67994f6..e852d9e2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,13 +20,8 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-        python_version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
-        include:
-          - os: windows-2019
-            python_version: "3.6"
-          - os: ubuntu-20.04
-            python_version: "3.6"
+        os: [ubuntu-latest, windows-latest, macos-13]
+        python_version: ["3.9", "3.10", "3.11", "3.12"]
     runs-on: ${{ matrix.os }}
 
     steps:
diff --git a/blis/about.py b/blis/about.py
index fb5a294a..8334b414 100644
--- a/blis/about.py
+++ b/blis/about.py
@@ -5,7 +5,7 @@
 # https://github.com/pypa/warehouse/blob/master/warehouse/__about__.py
 
 __name__ = "blis"
-__version__ = "0.9.1"
+__version__ = "1.0.0"
 __summary__ = (
     "The Blis BLAS-like linear algebra library, as a self-contained C-extension."
 )
diff --git a/requirements.txt b/requirements.txt
index be9f9e45..2315fec9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,5 @@
 # Test requirements
-numpy>=1.15.0; python_version < "3.9"
-numpy>=1.19.0; python_version >= "3.9"
+numpy>=2.0.0,<3.0.0
 pytest
 cython
 hypothesis>=4.0.0,<7.0.0
diff --git a/setup.py b/setup.py
index 21052f95..d0944c92 100644
--- a/setup.py
+++ b/setup.py
@@ -253,9 +253,7 @@ def compile_objects(self, platform, py_arch, obj_dir):
                     ]
                 # Ensure that symbols are visible to aid debugging and profiling.
                 spec["flags"] = [
-                    f
-                    for f in spec["flags"]
-                    if "visibility=hidden" not in f
+                    f for f in spec["flags"] if "visibility=hidden" not in f
                 ]
                 objects.append(self.build_object(env=env, **spec))
         return objects
@@ -329,11 +327,10 @@ def chdir(new_dir):
 setup(
     setup_requires=[
         "cython>=0.25",
-        "numpy>=1.15.0",
+        "numpy>=2.0.0,<3.0.0",
     ],
     install_requires=[
-        "numpy>=1.15.0; python_version < '3.9'",
-        "numpy>=1.19.0; python_version >= '3.9'",
+        "numpy>=2.0.0,<3.0.0",
     ],
     ext_modules=cythonize(
         [
@@ -371,10 +368,6 @@ def chdir(new_dir):
         "Operating System :: POSIX :: Linux",
         "Operating System :: MacOS :: MacOS X",
         "Programming Language :: Cython",
-        "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3.6",
-        "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",