diff --git a/.svnignore b/.distignore
similarity index 100%
rename from .svnignore
rename to .distignore
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
new file mode 100644
index 0000000..5aa90f7
--- /dev/null
+++ b/.github/workflows/deploy.yml
@@ -0,0 +1,17 @@
+name: Deploy to WordPress.org
+on:
+  push:
+    tags:
+    - "*"
+jobs:
+  tag:
+    name: New tag
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: WordPress Plugin Deploy
+      uses: 10up/action-wordpress-plugin-deploy@master
+      env:
+        SVN_PASSWORD: ${{ secrets.SVN_PASSWORD }}
+        SVN_USERNAME: ${{ secrets.SVN_USERNAME }}
+        SLUG: activitypub
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index e5ce821..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,94 +0,0 @@
-sudo: false
-dist: trusty
-language: php
-notifications:
-  email:
-    on_success: never
-    on_failure: change
-cache:
-  directories:
-  - vendor
-  - "$HOME/.composer/cache"
-after_success: bash bin/deploy.sh
-env:
-  matrix:
-  - WP_VERSION=latest WP_MULTISITE=0
-  global:
-  - WP_TRAVISCI=travis:phpunit
-  - SVN_REPO: https://plugins.svn.wordpress.org/activitypub/
-  - GH_REF: https://github.com/pfefferle/wordpress-activitypub.git
-  - secure: "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"
-matrix:
-  include:
-  - php: 7.4
-  - php: 7.3
-  - php: 7.2
-  - php: 7.1
-  - php: 7.0
-  - php: 5.6
-  - php: 5.6
-    env: WP_PLUGIN_DEPLOY=1
-before_script:
-- |
-  # Remove Xdebug for a huge performance increase:
-  if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
-    phpenv config-rm xdebug.ini
-  else
-    echo "xdebug.ini does not exist"
-  fi
-- |
-  # Export Composer's global bin dir to PATH:
-  composer config --list --global
-  export PATH=`composer config --list --global | grep '\[home\]' | { read a; echo "${a#* }/vendor/bin:$PATH"; }`
-- |
-  # Install the specified version of PHPUnit depending on the PHP version:
-  if [[ "$WP_TRAVISCI" == "travis:phpunit" ]]; then
-    case "$TRAVIS_PHP_VERSION" in
-      5.6)
-        echo "Using PHPUnit 5.x"
-        composer global require "phpunit/phpunit:^5"
-        ;;
-      *)
-        echo "Using PHPUnit 6.x"
-        composer global require "phpunit/phpunit:^6"
-        ;;
-    esac
-  fi
-  if [[ "$WP_TRAVISCI" == "travis:phpcs" ]] ; then
-      composer install
-  fi
-- mysql --version
-- phpenv versions
-- php --version
-- php -m
-- which phpunit
-- phpunit --version
-- curl --version
-- grunt --version
-- git --version
-- svn --version
-- locale -a
-before_install:
-- export PATH="$HOME/.composer/vendor/bin:$PATH"
-- |
-  if [[ ! -z "$WP_VERSION" ]] ; then
-    set -e
-    bash bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION
-    set +e
-  fi
-script:
-- |
-  if [[ ! -z "$WP_VERSION" ]] ; then
-    # Run the build because otherwise there will be a bunch of warnings about
-    # failed `stat` calls from `filemtime()`.
-    echo Running with the following versions:
-    php -v
-    phpunit --version
-    # Run PHPUnit tests
-    phpunit || exit 1
-    WP_MULTISITE=1 phpunit || exit 1
-  fi
-- |
-  if [[ "$WP_TRAVISCI" == "travis:phpcs" ]] ; then
-    ./vendor/bin/phpcs -p -s -v -n --standard=./phpcs.ruleset.xml --extensions=php
-  fi
diff --git a/bin/deploy.sh b/bin/deploy.sh
deleted file mode 100755
index 673a315..0000000
--- a/bin/deploy.sh
+++ /dev/null
@@ -1,82 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-if [[ "false" != "$TRAVIS_PULL_REQUEST" ]]; then
-	echo "Not deploying pull requests."
-	exit
-fi
-
-if [[ ! $WP_PLUGIN_DEPLOY ]]; then
-	echo "Not deploying."
-	exit
-fi
-
-if [[ ! $SVN_REPO ]]; then
-	echo "SVN repo is not specified."
-	exit
-fi
-
-# Untrailing slash of SVN_REPO path
-SVN_REPO=`echo $SVN_REPO | sed -e "s/\/$//"`
-# Git repository
-GH_REF=https://github.com/${TRAVIS_REPO_SLUG}.git
-
-echo "Starting deploy..."
-
-mkdir build
-
-cd build
-BASE_DIR=$(pwd)
-
-echo "Checking out trunk from $SVN_REPO ..."
-svn co -q $SVN_REPO/trunk
-
-echo "Getting clone from $GH_REF to $SVN_REPO ..."
-git clone -q $GH_REF ./git
-
-cd ./git
-
-if [ -e "bin/build.sh" ]; then
-	echo "Starting bin/build.sh."
-	bash bin/build.sh
-fi
-
-cd $BASE_DIR
-
-echo "Syncing git repository to svn"
-rsync -a --exclude=".svn" --checksum --delete ./git/ ./trunk/
-rm -fr ./git
-
-cd ./trunk
-
-if [ -e ".distignore" ]; then
-	echo "svn propset form .distignore"
-	svn propset -q -R svn:ignore -F .distignore .
-
-else
-	if [ -e ".svnignore" ]; then
-		echo "svn propset"
-		svn propset -q -R svn:ignore -F .svnignore .
-	fi
-fi
-
-echo "Run svn del"
-svn st | grep '^!' | sed -e 's/\![ ]*/svn del -q /g' | sh
-echo "Run svn add"
-svn st | grep '^?' | sed -e 's/\?[ ]*/svn add -q /g' | sh
-
-# If tag number and credentials are provided, commit to trunk.
-if [[ $TRAVIS_TAG && $SVN_USER && $SVN_PASS ]]; then
-	if [[ ! -d tags/$TRAVIS_TAG ]]; then
-		echo "Commit to $SVN_REPO."
-		svn commit -m "commit version $TRAVIS_TAG" --username $SVN_USER --password $SVN_PASS --non-interactive 2>/dev/null
-		echo "Take snapshot of $TRAVIS_TAG"
-		svn copy $SVN_REPO/trunk $SVN_REPO/tags/$TRAVIS_TAG -m "Take snapshot of $TRAVIS_TAG" --username $SVN_USER --password $SVN_PASS --non-interactive 2>/dev/null
-	else
-		echo "tags/$TRAVIS_TAG already exists."
-	fi
-else
-	echo "Nothing to commit and check \`svn st\`."
-	svn st
-fi