diff --git a/composer.json b/composer.json
index d777b1c673af10ae041c6402c3a301743c64c39f..d03987a1445eca0e5c2d3026eaec2502047de360 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": "3.1",
         "wpackagist-theme/twentyten": "3.9",
         "wpackagist-theme/twentythirteen": "3.9",
diff --git a/composer.lock b/composer.lock
index 4a90f8ced192ff56ee1fc71fe0823b633a2c1509..99e738b9c0693f74a7ecb5d1dac7a29b3d8bd990 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": "c982a44bbc1d165fb20e18db29f48a2a",
+    "content-hash": "c9c54ecdb0f8c193a2fab3b477d00d82",
     "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"