diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 00000000..5081ff2e
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,24 @@
+name: build
+on: [push]
+jobs:
+  run:
+    name: Build
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: [macos-latest, ubuntu-latest, windows-latest]
+        ocaml-version: [ '4.08.0' ]
+    steps:
+    - uses: actions/checkout@main
+    - uses: avsm/setup-ocaml@master
+      with:
+        ocaml-version: ${{ matrix.ocaml-version }}
+    - run: opam pin -n .
+    - run: opam depext -yt containers containers-data containers-thread
+    - run: opam install -t . --deps-only
+      if: ${{ job.os == 'Linux' }}
+    - run: opam install . --deps-only  # no test deps
+      if: ${{ job.os != 'Linux' }}
+    - run: opam exec -- dune build
+    - run: opam exec -- dune runtest
+      if: ${{ job.os == 'Linux' }}
diff --git a/README.md b/README.md
index 1d360c32..638d48ba 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# OCaml-containers 📦  [![Build Status](https://travis-ci.org/c-cube/ocaml-containers.svg?branch=master)](https://travis-ci.org/c-cube/ocaml-containers)
+# OCaml-containers 📦  [![Build Status](https://travis-ci.org/c-cube/ocaml-containers.svg?branch=master)](https://travis-ci.org/c-cube/ocaml-containers) ![build gh](https://github.com/c-cube/ocaml-containers/workflows/build/badge.svg)
 
 A modular, clean and powerful extension of the OCaml standard library.