diff --git a/js/package-lock.json b/js/package-lock.json
index d67422e..7439b78 100644
--- a/js/package-lock.json
+++ b/js/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "jupyter-scatter",
-  "version": "0.21.0",
+  "version": "0.21.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "jupyter-scatter",
-      "version": "0.21.0",
+      "version": "0.21.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@flekschas/utils": "^0.32.2",
diff --git a/js/package.json b/js/package.json
index 2a301c9..e637c4c 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jupyter-scatter",
-  "version": "0.21.0",
+  "version": "0.21.1",
   "description": "A scatter plot extension for Jupyter Notebook and Lab",
   "author": "Fritz Lekschas",
   "repository": {