diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..107141f
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,26 @@
+name: nameko-sentry CI build
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.8, 3.9]
+    services:
+      rabbitmq:
+        image: rabbitmq:3-management
+        ports:
+          - 5672:5672
+          - 15672:15672
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "${{ matrix.python-version }}"
+      - name: Upgrade pip
+        run: pip install pip setuptools wheel --upgrade
+      - name: Install tox
+        run: pip install tox tox-gh-actions
+      - name: Run tox
+        run: python -m tox
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 6b6ceb7..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-sudo: false
-language: python
-
-services:
-  - rabbitmq
-
-install:
-  - pip install tox
-
-matrix:
-  include:
-    - stage: static
-      python: 2.7
-      env: TOX_ENV=py27-static
-    - stage: static
-      python: 3.6
-      env: TOX_ENV=py36-static
-    - stage: test
-      python: 2.7
-      env: TOX_ENV=py27-test
-    - stage: test
-      python: 3.4
-      env: TOX_ENV=py34-test
-    - stage: test
-      python: 3.5
-      env: TOX_ENV=py35-test
-    - stage: test
-      python: 3.6
-      env: TOX_ENV=py36-test
-    - stage: deploy
-      script: skip
-      deploy:
-        provider: pypi
-        user: mattbennett
-        password:
-          secure: "E68NUiQ72jbJ6BVZWp9gsASjESwjuvWiHTprkJxI+y/1lnGBrEt4TROioUZFzSdi17sM072TJy/fiVaWtgXfWWbwWqTFGCzT57wcCFjFAw68+dM3LRL1LitHm0+PyyN47IhtbPLUrtWUc/JHV9O9bqGdHmBIQqVGbeanglMZ0p97HkCLwSQYU46hUsM2MQ1uXyPh2gKI0vhnSXIsuuYuw+61YQFmZ5WQbgEewuBlYwip1CCkiwClbspfQRWriVgbiyp4KbSbeCITPDX5OZBw1x5tB8o7aZMMKnxhP+OybFbw7PsfNIiW6YGusKldiJoLO3QCaPfbv4PE2zp1oivFjkAlbAfFjcsdFH/gnbDZK01o4RB65TB53Mg94lTq05rFH5cK5BMMuouIdnHQCDRMmY8SzGV8KmXprAhq8UGwI4HJIw0q5vWrNOoxedcBF+gaI0YMT1l70lSW+ioypF99JhdU78lWzHOGnjQsKkWriSznazNBLVvZ6mvozXtr/stHZYpiotSB1X04Cps/XXB4AVsqQjFk22uiOb8nv1jWHZxziuX28VEoebJA4K6OP8pxZnQ9/esGTx6Yqfzl4H/DxsA/qDaJa0pS9R3aT6TQ4aaKL7YPWdFJvJF8vSSijYmfW1boRlvUnuagjW+Zsv4LqKjwzbZHCfAbOR09IqeI6+E="  
-        on:
-          tags: true
-          repo: nameko/nameko-sentry
-
-script:
-  - tox -e $TOX_ENV
diff --git a/Makefile b/Makefile
index a7537ed..1917531 100644
--- a/Makefile
+++ b/Makefile
@@ -7,5 +7,5 @@ pylint:
 	pylint nameko_sentry -E
 
 pytest:
-	coverage run --concurrency=eventlet --source nameko_sentry.py --branch -m pytest test_nameko_sentry.py
+	nameko test --cov -vv
 	coverage report --show-missing --fail-under=100
diff --git a/nameko_sentry.py b/nameko_sentry.py
index 18f7713..891c0e8 100644
--- a/nameko_sentry.py
+++ b/nameko_sentry.py
@@ -88,7 +88,7 @@ def http_context(self, worker_ctx):
                     'headers': dict(get_headers(request.environ)),
                     'env': dict(get_environ(request.environ)),
                 })
-            except:
+            except Exception:
                 pass  # probably not a compatible entrypoint
 
         self.client.http_context(http)
diff --git a/setup.py b/setup.py
index 23ceeb0..ba70dca 100644
--- a/setup.py
+++ b/setup.py
@@ -11,15 +11,17 @@
     py_modules=['nameko_sentry'],
     install_requires=[
         "nameko>=2.5.1",
-        "raven>=3.0.0"
+        "raven>=3.0.0",
+        "werkzeug<3",
     ],
     extras_require={
-        'dev': [
-            "coverage==4.0.3",
-            "flake8==3.3.0",
-            "pylint==1.8.2",
-            "pytest==2.8.3",
-            "objgraph==3.1.0"
+        "dev": [
+            "coverage==6.0.1",
+            "flake8==3.9.2",
+            "objgraph==3.5.0",
+            "pylint==2.11.1",
+            "pytest==6.0.2",
+            "pytest-cov==3.0.0",
         ]
     },
     zip_safe=True,
diff --git a/test_nameko_sentry.py b/test_nameko_sentry.py
index 67b8f9e..0ddea52 100644
--- a/test_nameko_sentry.py
+++ b/test_nameko_sentry.py
@@ -502,7 +502,7 @@ def resource(self, request):
         _, kwargs = sentry.client.send.call_args
 
         received_data = kwargs['request']['data']
-        assert received_data == json.dumps(submitted_data).encode('utf-8')
+        assert received_data == json.dumps(submitted_data)
 
     def test_form_submission(
         self, container_factory, config, web_session
diff --git a/tox.ini b/tox.ini
index 8d1aa6e..87eff78 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,19 @@
 [tox]
-envlist = {py27,py36}-static, {py27,py34,py35,py36}-test
+envlist = py39-static, py{38,39}-test
 skipsdist = True
 
 [testenv]
-whitelist_externals = make
+allowlist_externals = make
 
 commands =
     static: pip install --editable .[dev]
     static: make flake8
     static: make pylint
 
-    lib: pip install --editable .[dev]
-    lib: make pytest
+    test: pip install --editable .[dev]
+    test: make pytest
+
+[gh-actions]
+python =
+    3.8: py38-test
+    3.9: py39-test, py39-static