diff --git a/composer.json b/composer.json
index 86478bfb268499b38a829dc3df26c7179f0f5a4c..872879a974489644521532d60d678c0ee2e9c7ee 100644
--- a/composer.json
+++ b/composer.json
@@ -69,7 +69,7 @@
         "wpackagist-theme/twentyfifteen": "3.2",
         "wpackagist-theme/twentyfourteen": "3.4",
         "wpackagist-theme/twentynineteen": "2.3",
-        "wpackagist-theme/twentyseventeen": "2.9",
+        "wpackagist-theme/twentyseventeen": "3.0",
         "wpackagist-theme/twentysixteen": "2.6",
         "wpackagist-theme/twentyten": "3.6",
         "wpackagist-theme/twentythirteen": "3.6",
diff --git a/composer.lock b/composer.lock
index c31d43009b02e01a75c59e65ae08bbafa5ad0fff..3a96c62036c32e6112d46a2816c0690ebbc7b2bd 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": "e00ebef5ba66b308fef2ea41132fe32e",
+    "content-hash": "0059c12cdf31aec9ff37eaae80c89604",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -2033,15 +2033,15 @@
         },
         {
             "name": "wpackagist-theme/twentyseventeen",
-            "version": "2.9",
+            "version": "3.0",
             "source": {
                 "type": "svn",
                 "url": "https://themes.svn.wordpress.org/twentyseventeen/",
-                "reference": "2.9"
+                "reference": "3.0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/theme/twentyseventeen.2.9.zip"
+                "url": "https://downloads.wordpress.org/theme/twentyseventeen.3.0.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"