diff --git a/package-lock.json b/package-lock.json
index c553d89..eaee10c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1550,9 +1550,9 @@
       "dev": true
     },
     "@ideal-postcodes/address-finder": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@ideal-postcodes/address-finder/-/address-finder-1.0.0.tgz",
-      "integrity": "sha512-fzoFn480QzfaFah6ffJKqPtmXlp4KLhNevS8HeZCP/fc9YigPwwlyoD6GsSFbsLeddNAhEGQcPKD9SbJJwpKQA==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@ideal-postcodes/address-finder/-/address-finder-1.1.1.tgz",
+      "integrity": "sha512-fYdZN0eMHeO/5a3/BASmCep0r42GjsEbo06hTTtMZvks0YqWRM4oLhnzg6U85Qfprn6v0AS03vrJyAULZ0sJOg==",
       "requires": {
         "@ideal-postcodes/core-axios": "~2.2.3",
         "@ideal-postcodes/jsutil": "~3.1.0",
diff --git a/package.json b/package.json
index 60b57d5..01ef591 100644
--- a/package.json
+++ b/package.json
@@ -87,6 +87,6 @@
     "typescript": "~4.1.3"
   },
   "dependencies": {
-    "@ideal-postcodes/address-finder": "~1.0.0"
+    "@ideal-postcodes/address-finder": "~1.1.1"
   }
 }