diff --git a/composer.json b/composer.json
index 19bca6b22095793cfc11f49aec8db1b67881fafb..3d87c63e262027da53463d9213efd6334609f947 100644
--- a/composer.json
+++ b/composer.json
@@ -68,7 +68,7 @@
         "wpackagist-theme/thematic": "1.0.4",
         "wpackagist-theme/the-scenery": "0.93",
         "wpackagist-theme/threattocreativity": "3.2",
-        "wpackagist-theme/twentyeleven": "3.9",
+        "wpackagist-theme/twentyeleven": "4.0",
         "wpackagist-theme/twentyfifteen": "3.0",
         "wpackagist-theme/twentyfourteen": "3.2",
         "wpackagist-theme/twentynineteen": "2.2",
diff --git a/composer.lock b/composer.lock
index cfa569c43177d66239239ce3758e0c3e9f4874d2..902d9c3dbaeb5847a361823ae57e94eb6c1d6d0b 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": "ab49bd4639cb9e48b08d14a2888d823d",
+    "content-hash": "024bef8854e11f498fdb8286acc49bb7",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -1972,15 +1972,15 @@
         },
         {
             "name": "wpackagist-theme/twentyeleven",
-            "version": "3.9",
+            "version": "4.0",
             "source": {
                 "type": "svn",
                 "url": "https://themes.svn.wordpress.org/twentyeleven/",
-                "reference": "3.9"
+                "reference": "4.0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/theme/twentyeleven.3.9.zip"
+                "url": "https://downloads.wordpress.org/theme/twentyeleven.4.0.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"