diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index ed2bdcf..6ee7183 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -14,15 +14,16 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        # Run all supported Python versions on linux
-        python-version: ["3.7", "3.8", "3.9"]
-        os: [ubuntu-latest]
-        # Include one windows and macos run
+        # Run across a mixture of Python versions and operating systems
         include:
+        - os: ubuntu-latest
+          python-version: "3.11"
         - os: macos-latest
-          python-version: "3.9"
+          python-version: "3.10"
         - os: windows-latest
           python-version: "3.9"
+        - os: ubuntu-latest
+          python-version: "3.8"
 
     steps:
       - uses: brainglobe/actions/test@v1
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index eb90a1c..d3cc34c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,12 +1,12 @@
 repos:
     - repo: https://github.com/pycqa/isort
-      rev: 5.10.1
+      rev: 5.12.0
       hooks:
           - id: isort
             types: [text]
             types_or: [python, cython]
     - repo: https://github.com/pre-commit/pre-commit-hooks
-      rev: v4.1.0
+      rev: v4.4.0
       hooks:
           - id: check-docstring-first
           - id: check-executables-have-shebangs
@@ -20,16 +20,16 @@ repos:
             # bump2version produces whitespace in setup.cfg, so exclude to
             # not inferfere with versioning
             exclude: setup.cfg
-    - repo: https://gitlab.com/pycqa/flake8
-      rev: 3.9.2
+    - repo: https://github.com/pycqa/flake8
+      rev: 6.0.0
       hooks:
           - id: flake8
     - repo: https://github.com/psf/black
-      rev: 22.3.0
+      rev: 22.12.0
       hooks:
           - id: black
     - repo: https://github.com/pre-commit/mirrors-mypy
-      rev: v0.931
+      rev: v0.991
       hooks:
           - id: mypy
             additional_dependencies:
diff --git a/setup.py b/setup.py
index f78fa2a..aa8e5ba 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@
             "flake8",
         ]
     },
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     packages=find_packages(exclude=("tests", "tests.*")),
     include_package_data=True,
     url="https://github.com/brainglobe/imio",
@@ -48,10 +48,10 @@
         "Development Status :: 3 - Alpha",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "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",
         "Intended Audience :: Developers",
         "Intended Audience :: Science/Research",
     ],
diff --git a/tests/tests/test_imio.py b/tests/tests/test_imio.py
index dd60835..4609706 100644
--- a/tests/tests/test_imio.py
+++ b/tests/tests/test_imio.py
@@ -9,7 +9,7 @@
 
 @pytest.fixture()
 def layer():
-    return np.tile(np.array([1, 2, 3, 4]), (4, 1))
+    return np.tile(np.array([1, 2, 3, 4], dtype=np.int32), (4, 1))
 
 
 @pytest.fixture()
diff --git a/tox.ini b/tox.ini
index 464ae73..978bb51 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +1,12 @@
 [tox]
-envlist = py{37,38,39}
+envlist = py{38,39,310,311}
 
 [gh-actions]
 python =
-    3.7: py37
     3.8: py38
     3.9: py39
+    3.10: py310
+    3.11: py311
 
 [testenv]
 extras =