diff --git a/package-lock.json b/package-lock.json
index db2643f..398eb6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "terrain50-cli",
-	"version": "1.4.0",
+	"version": "1.4.1",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
diff --git a/package.json b/package.json
index d1a565e..6f970e7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "terrain50-cli",
-	"version": "1.4.0",
+	"version": "1.4.1",
 	"description": "CLI for parsing Ordnance Survey Digital Elevation Model files",
 	"main": "src/index.mjs",
 	"scripts": {