diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 00000000..3bd84cc5
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,20 @@
+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: [ '4.05.0' ]
+    steps:
+    - uses: actions/checkout@master
+    - uses: avsm/setup-ocaml@master
+      with:
+        ocaml-version: ${{ matrix.ocaml-version }}
+    - run: opam pin -n .
+    - run: opam depext -yt tiny_httpd
+    - run: opam install -t . --deps-only
+    - run: opam exec -- dune build
+    - run: opam exec -- dune runtest
diff --git a/README.md b/README.md
index 42496374..b17e9f52 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 
-# Tiny_httpd [![build status](https://travis-ci.org/c-cube/tiny_httpd.svg?branch=master)](https://travis-ci.org/c-cube/tiny_httpd) 
+# Tiny_httpd [![build status](https://travis-ci.org/c-cube/tiny_httpd.svg?branch=master)](https://travis-ci.org/c-cube/tiny_httpd) ![![build](https://github.com/c-cube/tiny_httpd/workflows/build/badge.svg)](https://github.com/c-cube/tiny_httpd/actions)
 
 Minimal HTTP server using good old threads and `Scanf` for routing.