diff --git a/.github/workflows/requirements-middle.txt b/.github/workflows/requirements-middle.txt
new file mode 100644
index 0000000..80ba09b
--- /dev/null
+++ b/.github/workflows/requirements-middle.txt
@@ -0,0 +1,2 @@
+numpy==1.23.5
+scipy==1.9.3
diff --git a/.github/workflows/requirements-newest.txt b/.github/workflows/requirements-newest.txt
new file mode 100644
index 0000000..ec114b4
--- /dev/null
+++ b/.github/workflows/requirements-newest.txt
@@ -0,0 +1,2 @@
+numpy==1.26.4
+scipy==1.12.0
diff --git a/.github/workflows/requirements-oldest.txt b/.github/workflows/requirements-oldest.txt
new file mode 100644
index 0000000..6b9bd11
--- /dev/null
+++ b/.github/workflows/requirements-oldest.txt
@@ -0,0 +1,2 @@
+numpy==1.20.3
+scipy==1.7.3
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..233b463
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,61 @@
+name: Run all tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    name: Test with Python ${{ matrix.python-version }} and ${{ matrix.req-version }} requirements on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        python-version: ["3.8", "3.10", "3.12"]
+        req-version: ["oldest", "middle", "newest"]
+        os: ["ubuntu-24.04"]
+        exclude:
+          - python-version: "3.8"
+            req-version: "newest"
+          - python-version: "3.10"
+            req-version: "oldest"
+          - python-version: "3.12"
+            req-version: "oldest"
+          - python-version: "3.12"
+            req-version: "middle"
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install requirements ${{ matrix.req-version }}
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r .github/workflows/requirements-${{ matrix.req-version }}.txt
+        pip install pytest pytest-cov
+        pip install .
+    - name: Run tests
+      run: |
+        pytest --cov=lazyarray -v
+  #   - name: Upload coverage data
+  #     run: |
+  #       coveralls --service=github
+  #     env:
+  #       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  #       COVERALLS_FLAG_NAME: ${{ matrix.test-name }}
+  #       COVERALLS_PARALLEL: true
+  # coveralls:
+  #   name: Indicate completion to coveralls.io
+  #   needs: test
+  #   runs-on: ubuntu-latest
+  #   container: python:3-slim
+  #   steps:
+  #   - name: Finished
+  #     run: |
+  #       pip3 install --upgrade coveralls
+  #       coveralls --service=github --finish
+  #     env:
+  #       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 154bac9..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-dist: focal
-language: python
-sudo: false
-python:
-  - "3.6"
-  - "3.9"
-  - "3.10"
-env:
-  - NUMPY_VERSION="1.13.1" SCIPY_VERSION="0.19.1"
-  - NUMPY_VERSION="1.19.4" SCIPY_VERSION="1.5.4"
-  - NUMPY_VERSION="1.22.1" SCIPY_VERSION="1.7.3"
-matrix:
-    exclude:
-    - python: "3.6"
-      env: NUMPY_VERSION="1.22.1" SCIPY_VERSION="1.7.3"
-    - python: "3.9"
-      env: NUMPY_VERSION="1.13.1" SCIPY_VERSION="0.19.1"
-    - python: "3.10"
-      env: NUMPY_VERSION="1.13.1" SCIPY_VERSION="0.19.1"
-    - python: "3.10"
-      env: NUMPY_VERSION="1.19.4" SCIPY_VERSION="1.5.4"
-install:
-  - pip install "numpy==$NUMPY_VERSION" "scipy==$SCIPY_VERSION" coverage coveralls pytest pytest-cov
-script:
-  - pytest --cov=lazyarray -v
-after_success:
-  - coveralls
diff --git a/bitbucket-pipelines.yml b/bitbucket-pipelines.yml
deleted file mode 100644
index a5ce4fa..0000000
--- a/bitbucket-pipelines.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-# This is a sample build configuration for Python.
-# Check our guides at https://confluence.atlassian.com/x/x4UWN for more examples.
-# Only use spaces to indent your .yml configuration.
-# -----
-# You can specify a custom docker image from Docker Hub as your build environment.
-image: python:3.5.1
-
-pipelines:
-  default:
-    - step:
-        caches:
-          - pip
-        script:
-          - pip install -r requirements.txt
-          - pip install nose
-          - nosetests
\ No newline at end of file
diff --git a/setup.py b/setup.py
index ea5eecc..388a0a2 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name='lazyarray',
-    version='0.5.2',
+    version='0.5.3.dev',
     py_modules=['lazyarray'],
     license='Modified BSD',
     author="Andrew P. Davison",