diff --git a/composer.lock b/composer.lock
new file mode 100644
index 000000000..f78ea7e6b
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,19 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "d11b324f36af4b55667164d0e294457a",
+    "packages": [],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {
+        "php": ">=5.7"
+    },
+    "platform-dev": []
+}
diff --git a/docker/moj.json b/docker/moj.json
index a7ebdfa12..8818f71dc 100644
--- a/docker/moj.json
+++ b/docker/moj.json
@@ -11,18 +11,18 @@
     {"type":"vcs", "no-api": true, "url":"https://github.com/ministryofjustice/php-markdown-extra.git"}
   ],
   "require": {
-    "wpackagist-plugin/classic-editor":"1.5",
-    "wpackagist-plugin/totalpoll-lite":"3.0.0",
-    "wpackagist-plugin/cms-tree-page-view":"1.6",
-    "wpackagist-plugin/co-authors-plus":"3.4",
-    "wpackagist-plugin/fast-user-switching":"1.4.8",
-    "wpackagist-plugin/recently-edited-content-widget":"0.3.2",
-    "wpackagist-plugin/regenerate-thumbnails":"3.1.1",
-    "wpackagist-plugin/upload-url-path-enabler":"1.0.4",
-    "relevanssi/relevanssi-premium":"2.0.3.1",
-    "acf/advanced-custom-fields-pro":"5.8.1",
-    "wpackagist-plugin/wordpress-importer": "0.6.4",
-    "wpackagist-plugin/query-monitor": "3.3.7",
+    "wpackagist-plugin/classic-editor":"*",
+    "wpackagist-plugin/totalpoll-lite":"*",
+    "wpackagist-plugin/cms-tree-page-view":"*",
+    "wpackagist-plugin/co-authors-plus":"*",
+    "wpackagist-plugin/fast-user-switching":"*",
+    "wpackagist-plugin/recently-edited-content-widget":"*",
+    "wpackagist-plugin/regenerate-thumbnails":"*",
+    "wpackagist-plugin/upload-url-path-enabler":"*",
+    "relevanssi/relevanssi-premium":"*",
+    "acf/advanced-custom-fields-pro":"*",
+    "wpackagist-plugin/wordpress-importer": "*",
+    "wpackagist-plugin/query-monitor": "*",
     "ministryofjustice/dw-document-revisions":"dev-master",
     "ministryofjustice/intranet":"dev-master",
     "ministryofjustice/wp-rewrite-media-to-s3": "*",