diff --git a/.github/workflows/ci-nightly.yml b/.github/workflows/ci-nightly.yml
new file mode 100644
index 0000000..c1b5ec8
--- /dev/null
+++ b/.github/workflows/ci-nightly.yml
@@ -0,0 +1,23 @@
+name: CI (nightly)
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 6 * * 1'  # Every monday 6 AM
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - {os: ubuntu-latest, crystal: nightly}
+          - {os: macos-latest, crystal: nightly}
+    runs-on: ${{matrix.os}}
+    steps:
+      - uses: oprypin/install-crystal@v1
+        with:
+          crystal: ${{matrix.crystal}}
+      - uses: actions/checkout@v2
+      - run: crystal spec --error-on-warnings --error-trace
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..caf9f2c
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - {os: ubuntu-latest, crystal: latest}
+          - {os: macos-latest, crystal: latest}
+    runs-on: ${{matrix.os}}
+    steps:
+      - uses: oprypin/install-crystal@v1
+        with:
+          crystal: ${{matrix.crystal}}
+      - uses: actions/checkout@v2
+      - run: crystal spec
+      - run: crystal tool format --check src spec
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 33cd297..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-language: crystal
-crystal:
-  - latest
-  - nightly
-matrix:
-  allow_failures:
-    - crystal: nightly
-
-notifications:
-  email:
-    on_success: never
diff --git a/README.md b/README.md
index 0fe266d..f1e8cf7 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,6 @@
 [Radix tree](https://en.wikipedia.org/wiki/Radix_tree) implementation for
 Crystal language
 
-[![Build Status](https://img.shields.io/travis/luislavena/radix/master.svg)](https://travis-ci.org/luislavena/radix)
 [![Latest Release](https://img.shields.io/github/release/luislavena/radix.svg)](https://github.com/luislavena/radix/releases)
 
 ## Installation