diff --git a/composer.json b/composer.json
index 6e3c92a8a4eb1f8de453f7afd374d816a9648aca..8eeac79020614217ac56282c18ba0acc5a645ae7 100644
--- a/composer.json
+++ b/composer.json
@@ -112,7 +112,7 @@
         "wpackagist-plugin/event-organiser": "3.12.8",
         "noblogs/ai-authenticate-rest-api-plugin": "0.0.4",
         "wpackagist-plugin/multisite-custom-css": "1.0",
-        "wpackagist-plugin/activitypub": "5.1.0",
+        "wpackagist-plugin/activitypub": "5.2.0",
         "wpackagist-plugin/gallery-block-lightbox": "1.15",
         "wpackagist-plugin/unconfirmed": "1.3.7",
         "noblogs/wp-mat": "0.1.4",
diff --git a/composer.lock b/composer.lock
index 4016b849200ea886660069d1d8e7279f419798cc..7f92e507a8b19f194e915c52afeb19bb6c4d0e6c 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": "40225eb0e2e8333f68b5707b15055d69",
+    "content-hash": "7087c78a12414bb2a0019ed51472516e",
     "packages": [
         {
             "name": "composer/installers",
@@ -892,15 +892,15 @@
         },
         {
             "name": "wpackagist-plugin/activitypub",
-            "version": "5.1.0",
+            "version": "5.2.0",
             "source": {
                 "type": "svn",
                 "url": "https://plugins.svn.wordpress.org/activitypub/",
-                "reference": "tags/5.1.0"
+                "reference": "tags/5.2.0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/plugin/activitypub.5.1.0.zip"
+                "url": "https://downloads.wordpress.org/plugin/activitypub.5.2.0.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"