diff --git a/composer.json b/composer.json
index dcfc799e48a50559f18bf21e19a85c488a3768a3..1096517c6e0f2497f4d226a1a0f38cf6b217f7ac 100644
--- a/composer.json
+++ b/composer.json
@@ -66,7 +66,7 @@
         "wpackagist-theme/twentyfifteen": "3.5",
         "wpackagist-theme/twentyfourteen": "3.7",
         "wpackagist-theme/twentynineteen": "2.6",
-        "wpackagist-theme/twentyseventeen": "3.3",
+        "wpackagist-theme/twentyseventeen": "3.4",
         "wpackagist-theme/twentysixteen": "3.0",
         "wpackagist-theme/twentyten": "3.9",
         "wpackagist-theme/twentythirteen": "3.9",
diff --git a/composer.lock b/composer.lock
index 890b743a614860a60300b4a8d410291999c78c87..c93afb15323b72daeee6b94ddb23720dfb8875c3 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": "a9d7cc2097481dab4b3104912dd1d174",
+    "content-hash": "fd6ebc483f1cbecdbcd7dc207cdab1a6",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -1852,15 +1852,15 @@
         },
         {
             "name": "wpackagist-theme/twentyseventeen",
-            "version": "3.3",
+            "version": "3.4",
             "source": {
                 "type": "svn",
                 "url": "https://themes.svn.wordpress.org/twentyseventeen/",
-                "reference": "3.3"
+                "reference": "3.4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/theme/twentyseventeen.3.3.zip"
+                "url": "https://downloads.wordpress.org/theme/twentyseventeen.3.4.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"