diff --git a/package-lock.json b/package-lock.json
index e6bbea58..06df97a7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "manifesto.js",
-  "version": "4.2.17",
+  "version": "4.2.18",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 906b047e..14e9bc7b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "manifesto.js",
-  "version": "4.2.17",
+  "version": "4.2.18",
   "description": "IIIF Presentation API utility library for client and server",
   "main": "./dist-commonjs/index.js",
   "module": "./dist-esmodule/index.js",