diff --git a/package-lock.json b/package-lock.json
index 071220c..0ec8b3b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@carbonplan/charts",
-  "version": "3.0.0",
+  "version": "3.1.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@carbonplan/charts",
-      "version": "3.0.0",
+      "version": "3.1.1",
       "license": "MIT",
       "dependencies": {
         "d3-scale": "^3.3.0",
diff --git a/package.json b/package.json
index afacd80..c261fea 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@carbonplan/charts",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "themeable reusable responsive web charts",
   "main": "dst/index.js",
   "module": "dst/index.esm.js",