diff --git a/package-lock.json b/package-lock.json
index 10f2c7d0..9c390fed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "webppl",
-  "version": "0.9.12",
+  "version": "0.9.13",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index d244d534..0c802e1b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "webppl",
   "description": "Probabilistic programming for the web",
-  "version": "0.9.12",
+  "version": "0.9.13",
   "author": "webppl contributors",
   "main": "src/main.js",
   "repository": {