diff --git a/src/upgrades/1.9.0/refresh_post_upload_associations.js b/src/upgrades/1.9.0/refresh_post_upload_associations.js
new file mode 100644
index 0000000000..e176835940
--- /dev/null
+++ b/src/upgrades/1.9.0/refresh_post_upload_associations.js
@@ -0,0 +1,21 @@
+'use strict';
+
+var async = require('async');
+var posts = require('../../posts');
+
+module.exports = {
+	name: 'Refresh post-upload associations',
+	timestamp: Date.UTC(2018, 3, 16),
+	method: function (callback) {
+		var progress = this.progress;
+
+		require('../../batch').processSortedSet('posts:pid', function (pids, next) {
+			async.each(pids, function (pid, next) {
+				posts.uploads.sync(pid, next);
+				progress.incr();
+			}, next);
+		}, {
+			progress: this.progress,
+		}, callback);
+	},
+};