diff --git a/CHANGELOG.md b/CHANGELOG.md
index aef0a83b..6cc7fa5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+v0.6.70
+* Fix for bug affecting -mosaic and -polygon commands (they incorrectly incorporated paths from other layers).
+
 v0.6.69
 * Web UI bug fixes
 
diff --git a/package-lock.json b/package-lock.json
index 8f64e682..de958d9e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mapshaper",
-  "version": "0.6.69",
+  "version": "0.6.70",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "mapshaper",
-      "version": "0.6.69",
+      "version": "0.6.70",
       "license": "MPL-2.0",
       "dependencies": {
         "@placemarkio/tokml": "^0.3.3",
diff --git a/package.json b/package.json
index 61132610..25023c18 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mapshaper",
-  "version": "0.6.69",
+  "version": "0.6.70",
   "description": "A tool for editing vector datasets for mapping and GIS.",
   "keywords": [
     "shapefile",