diff --git a/composer.json b/composer.json
index c81be8a7e5dc96d444aa478ab5957a47bd7c795a..0fa4031d7494006afa216d59368da0977f4c90b3 100644
--- a/composer.json
+++ b/composer.json
@@ -116,7 +116,7 @@
         "wpackagist-plugin/event-organiser": "3.12.4",
         "noblogs/ai-authenticate-rest-api-plugin": "0.0.4",
         "wpackagist-plugin/multisite-custom-css": "1.0",
-        "wpackagist-plugin/activitypub": "1.3.0",
+        "wpackagist-plugin/activitypub": "2.0.0",
         "wpackagist-plugin/gallery-block-lightbox": "^1.13",
         "wpackagist-plugin/unconfirmed": "1.3.7",
         "noblogs/wp-mat": "0.1.4",
diff --git a/composer.lock b/composer.lock
index 8d74388741c44be5479a5ecfa24085f998dc68ea..e9ccc7ded4bd1a45b0e117d0be75a06b95006d93 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "25f2c9c1ec635afba2b945250b26f8f6",
+    "content-hash": "b5d344e3f45fbe23adeb1419d3488d48",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -862,15 +862,15 @@
         },
         {
             "name": "wpackagist-plugin/activitypub",
-            "version": "1.3.0",
+            "version": "2.0.0",
             "source": {
                 "type": "svn",
                 "url": "https://plugins.svn.wordpress.org/activitypub/",
-                "reference": "tags/1.3.0"
+                "reference": "tags/2.0.0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/plugin/activitypub.1.3.0.zip"
+                "url": "https://downloads.wordpress.org/plugin/activitypub.2.0.0.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"
@@ -2023,5 +2023,5 @@
         "php": ">=7.1"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }