diff --git a/composer.json b/composer.json
index 1514c8d5fc8822d0b1b1b0031575d84a09c702d6..3507ea5f8da24e5a46058fac15e109cf34190b8e 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": "4.1.0",
+        "wpackagist-plugin/activitypub": "4.1.1",
         "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 ba914220c7811f9e6f23f495f28c5895bbf549b9..369d7d99620fc1be00384fdb2a71833411d0dc42 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": "8738ce584dde541b61b0c72466df589a",
+    "content-hash": "6e55df76a14f4cdb6c43e9aca3a57356",
     "packages": [
         {
             "name": "composer/installers",
@@ -892,15 +892,15 @@
         },
         {
             "name": "wpackagist-plugin/activitypub",
-            "version": "4.1.0",
+            "version": "4.1.1",
             "source": {
                 "type": "svn",
                 "url": "https://plugins.svn.wordpress.org/activitypub/",
-                "reference": "tags/4.1.0"
+                "reference": "tags/4.1.1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/plugin/activitypub.4.1.0.zip"
+                "url": "https://downloads.wordpress.org/plugin/activitypub.4.1.1.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"