diff --git a/composer.json b/composer.json
index 8446f7b58d94c00a97a28b4bd487ef0a7ffb11b4..707a0e3e1619fc9558e6a2a320c24544a4dbb9e4 100644
--- a/composer.json
+++ b/composer.json
@@ -127,7 +127,7 @@
         "wpackagist-plugin/event-organiser": "3.12.2",
         "noblogs/ai-authenticate-rest-api-plugin": "0.0.3",
         "wpackagist-plugin/multisite-custom-css": "1.0",
-        "wpackagist-plugin/activitypub": "0.15.0",
+        "wpackagist-plugin/activitypub": "0.16.2",
         "wpackagist-plugin/memcached": "4.0.0"
     },    
     "extra": {
diff --git a/composer.lock b/composer.lock
index a98a67f0801718412261779d876333be4a8338b9..a94835975bdbb46d50c910f76ef4ab58e15e151f 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": "e736b51889dddcb27fee1ed83e14838a",
+    "content-hash": "3eac2c117b41a9f471ac62b6a5bef5b2",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -830,15 +830,15 @@
         },
         {
             "name": "wpackagist-plugin/activitypub",
-            "version": "0.15.0",
+            "version": "0.16.2",
             "source": {
                 "type": "svn",
                 "url": "https://plugins.svn.wordpress.org/activitypub/",
-                "reference": "tags/0.15.0"
+                "reference": "tags/0.16.2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/plugin/activitypub.0.15.0.zip"
+                "url": "https://downloads.wordpress.org/plugin/activitypub.0.16.2.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"