diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..4f2036c
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,52 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  format:
+    name: Format and compile with warnings as errors
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2.3.1
+
+      - name: Install OTP and Elixir
+        uses: erlef/setup-beam@v1
+        with:
+          otp-version: 25.1
+          elixir-version: 1.14.1
+
+      - name: Install dependencies
+        run: mix deps.get
+
+      - name: Run "mix format"
+        run: mix format --check-formatted
+
+      - name: Compile with --warnings-as-errors
+        run: mix compile --warnings-as-errors
+
+  test:
+    name: Test (Elixir ${{matrix.elixir}} | Erlang/OTP ${{matrix.otp}})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - otp: 25.1
+            elixir: 1.14.1
+            coverage: true
+    env:
+      MIX_ENV: test
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install OTP and Elixir
+        uses: erlef/setup-beam@v1
+        with:
+          otp-version: ${{matrix.otp}}
+          elixir-version: ${{matrix.elixir}}
+
+      - name: Install dependencies
+        run: mix deps.get --only test
+
+      - name: Run tests
+        run: mix test --trace
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 370dfbb..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-language: elixir
-matrix:
-  include:
-    - otp_release: 22.0
-      elixir: 1.9
-    - otp_release: 22.0
-      elixir: 1.10
-env:
-  - MIX_ENV=test
-script:
-  - "mix do deps.get, compile, coveralls.travis"
-  - mix format --check-formatted