diff --git a/media_entity_instagram.post_update.php b/media_entity_instagram.post_update.php
new file mode 100644
index 0000000..788dfea
--- /dev/null
+++ b/media_entity_instagram.post_update.php
@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * @file
+ * Post update functions for Media entity Instagram module.
+ */
+
+/**
+ * Rename the cache bin.
+ */
+function media_entity_instagram_post_update_rename_cache_bin() {
+  // An empty update will force service definitions to be cleared and create a
+  // new bin with new name.
+}