diff --git a/package.json b/package.json
index 8fce512..4fa43ea 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "zotero-format-metadata",
-  "version": "1.21.5",
+  "version": "1.21.6",
   "packageManager": "pnpm@9.12.3",
   "description": "An addon for Zotero to format item metadata.",
   "config": {
diff --git a/update.json b/update.json
index 3ab5687..0dbea9d 100644
--- a/update.json
+++ b/update.json
@@ -12,8 +12,8 @@
           }
         },
         {
-          "version": "1.21.5",
-          "update_link": "https://github.com/northword/zotero-format-metadata/releases/download/v1.21.5/linter-for-zotero.xpi",
+          "version": "1.21.6",
+          "update_link": "https://github.com/northword/zotero-format-metadata/releases/download/v1.21.6/linter-for-zotero.xpi",
           "applications": {
             "zotero": {
               "strict_min_version": "6.999",