diff --git a/composer.json b/composer.json
index a8cc8f8f19ca113b79c014ae3f46e54a31aa4de6..76f1312f19550bb3266a0b98b1061e2f7c57721a 100644
--- a/composer.json
+++ b/composer.json
@@ -73,7 +73,7 @@
         "wpackagist-theme/twentynineteen": "2.5",
         "wpackagist-theme/twentyseventeen": "3.2",
         "wpackagist-theme/twentysixteen": "2.9",
-        "wpackagist-theme/twentyten": "3.8",
+        "wpackagist-theme/twentyten": "3.9",
         "wpackagist-theme/twentythirteen": "3.8",
         "wpackagist-theme/twentytwelve": "3.9",
         "wpackagist-theme/twentytwenty": "2.2",
diff --git a/composer.lock b/composer.lock
index 1e017820948a1d339b410136ff03861225588134..2c769f7384ee56150cf8dcb8f7b0f9f8023d1e0a 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": "e110e4acd4b2d4ff71dbb217e1b2cfee",
+    "content-hash": "8a960507d7fcef8cd7942916847d662c",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -2026,15 +2026,15 @@
         },
         {
             "name": "wpackagist-theme/twentyten",
-            "version": "3.8",
+            "version": "3.9",
             "source": {
                 "type": "svn",
                 "url": "https://themes.svn.wordpress.org/twentyten/",
-                "reference": "3.8"
+                "reference": "3.9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/theme/twentyten.3.8.zip"
+                "url": "https://downloads.wordpress.org/theme/twentyten.3.9.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"