diff --git a/.github/workflows/notify.yml b/.github/workflows/notify.yml
new file mode 100644
index 0000000..043ac96
--- /dev/null
+++ b/.github/workflows/notify.yml
@@ -0,0 +1,25 @@
+name: Notify about failed build
+
+on:
+  workflow_run:
+    workflows: ["Tests"]
+    types: [completed]
+
+jobs:
+  notify:
+    name: 📣 Notify community on failure
+    if: ${{  github.event_name == 'schedule' && github.event.workflow_run.conclusion == 'failure' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send email on failure
+        if: ${{ github.event_name == 'schedule' && github.event.workflow_run.conclusion == 'failure' }}
+        uses: dawidd6/action-send-mail@v2
+        with:
+          server_address: ${{ secrets.SMTP_SERVER }}
+          server_port: ${{ secrets.SMTP_PORT }}
+          username: ${{ secrets.SMTP_USERNAME }}
+          password: ${{ secrets.SMTP_PASSWORD }}
+          subject: GitHub Actions failed for ${{ github.repository }}
+          body: Build job of ${{ github.repository }} failed! See https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }} for more information.
+          to: ${{ secrets.MAIL_RECEIVER }}
+          from: GitHub Actions
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..d817ab2
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,33 @@
+name: Tests
+
+on:
+  push:
+  schedule:
+    - cron: '42 2 * * 1'  # once a week
+  workflow_dispatch:
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        smalltalk:
+          - Squeak64-trunk
+          - Squeak64-5.3
+          - Squeak64-5.2
+    name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - id: smalltalkci
+        uses: hpi-swa/setup-smalltalkCI@v1
+        with:
+          smalltalk-image: ${{ matrix.smalltalk }}
+      - run: smalltalkci -s ${{ steps.smalltalkci.outputs.smalltalk-image }}
+        timeout-minutes: 15
+        env:
+          # for uploading coverage reports
+          GITHUB_TOKEN: ${{ github.token }}
diff --git a/.project b/.project
new file mode 100644
index 0000000..7c4006d
--- /dev/null
+++ b/.project
@@ -0,0 +1,3 @@
+{
+	'srcDirectory' : 'src'
+}
diff --git a/.smalltalk.ston b/.smalltalk.ston
index 63b2089..a9c8935 100644
--- a/.smalltalk.ston
+++ b/.smalltalk.ston
@@ -1,11 +1,18 @@
 SmalltalkCISpec {
-  #loading : [
-    SCIMetacelloLoadSpec {
-      #baseline : 'FileSystem',
-      #directory : 'src',
-      #load : [ 'tests' ],
-      #platforms : [ #squeak ],
-      #useLatestMetacello : true
-    }
-  ]
+	#loading : [
+		SCIMetacelloLoadSpec {
+			#baseline : 'FileSystem',
+			#directory : 'src',
+			#load : [ 'tests' ],
+			#platforms : [ #squeak ],
+			#useLatestMetacello : true
+		}
+	],
+	#testing : {
+		#packages : [ 'FS-Tests-*' ],
+		#coverage : {
+			#packages : [ 'FS-AnsiStreams', 'FS-Core', 'FS-Disk', 'FS-FileDirectory-Adapters', 'FS-Memory' ],
+			#format : #coveralls
+		}
+	}
 }
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 13925e8..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-sudo: false
-language: smalltalk
-smalltalk:
-  - Squeak64-trunk
-  - Squeak32-trunk
-  - Squeak64-5.2
-  - Squeak32-5.2
-os:
-  - linux
-  - osx
diff --git a/README.md b/README.md
index 5f41031..796978d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
-# FileSystem [![Build Status][travis_badge]][travis]
+# FileSystem
+
+[![Build Status][gha_badge]][gha_jobs]
+[![Test coverage][coveralls_badge]][coveralls]
+
 FileSystem is a Smalltalk API for accessing files and directories. This is an implementation for Squeak/Smalltalk.
 
 The FileSystem API was proposed as an alternative to the FileDirectory API for file system access in Squeak. It was first implemented as a library package for Squeak. Later it was adopted by Pharo as the main file system access library, while Squeak stayed with FileDirectory.
@@ -16,10 +20,12 @@ Then, use the following snippet to load:
 
 ```smalltalk
 Metacello new
-  baseline: 'FileSystem';
-  repository: 'github://squeak-smalltalk/squeak-filesystem:master/src';
-  load.
+	baseline: 'FileSystem';
+	repository: 'github://squeak-smalltalk/squeak-filesystem:master/src';
+	load.
 ```
 
-[travis]: https://travis-ci.org/j4yk/Squeak-FileSystem
-[travis_badge]: https://travis-ci.org/j4yk/Squeak-FileSystem.svg?branch=master
+[gha_jobs]: https://github.com/squeak-smalltalk/Squeak-FileSystem/actions/workflows/tests.yml
+[gha_badge]: https://github.com/squeak-smalltalk/Squeak-FileSystem/actions/workflows/tests.yml/badge.svg
+[coveralls_badge]: https://coveralls.io/repos/github/squeak-smalltalk/Squeak-FileSystem/badge.svg
+[coveralls]: https://coveralls.io/github/squeak-smalltalk/Squeak-FileSystem
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 5a2409c..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-environment:
-  CYG_ROOT: C:\cygwin
-  CYG_BASH: C:\cygwin\bin\bash
-  CYG_CACHE: C:\cygwin\var\cache\setup
-  CYG_EXE: C:\cygwin\setup-x86.exe
-  CYG_MIRROR: http://cygwin.mirror.constant.com
-  SCI_RUN: /cygdrive/c/smalltalkCI-master/run.sh
-  matrix:
-    - SMALLTALK: Squeak64-trunk
-    - SMALLTALK: Squeak32-trunk
-    - SMALLTALK: Squeak64-5.2
-    - SMALLTALK: Squeak32-5.2
-
-platform:
-  - x86
-
-install:
-  - '%CYG_EXE% -dgnqNO -R "%CYG_ROOT%" -s "%CYG_MIRROR%" -l "%CYG_CACHE%" -P unzip'
-  - ps: Start-FileDownload "https://github.com/hpi-swa/smalltalkCI/archive/master.zip" "C:\smalltalkCI.zip"
-  - 7z x C:\smalltalkCI.zip -oC:\ -y > NULL
-
-build: false
-
-test_script:
-  - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; $SCI_RUN"'