diff --git a/composer.json b/composer.json
index f943e42134baa206794daad33344a19172eedd3a..f84f50b0b853b9526ff848f7ce332d5b2035eea6 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": "2.1.0",
+        "wpackagist-plugin/activitypub": "2.1.1",
         "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 a743a0be62143b4d6c00eaf2bf82e93417b70334..584844192a440684e7e124b96adfbf1ec954d9cf 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": "22ad97d3a0758f0c5af7349d03abeaa3",
+    "content-hash": "636ca3cd4619b759a2f1e14fbd49d111",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -862,15 +862,15 @@
         },
         {
             "name": "wpackagist-plugin/activitypub",
-            "version": "2.1.0",
+            "version": "2.1.1",
             "source": {
                 "type": "svn",
                 "url": "https://plugins.svn.wordpress.org/activitypub/",
-                "reference": "tags/2.1.0"
+                "reference": "tags/2.1.1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/plugin/activitypub.2.1.0.zip"
+                "url": "https://downloads.wordpress.org/plugin/activitypub.2.1.1.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"