diff --git a/package-lock.json b/package-lock.json
index 232385f..4f9c1ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "actual-maybe",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "actual-maybe",
-      "version": "0.3.1",
+      "version": "0.4.0",
       "dependencies": {
         "@babel/core": "^7.16.0",
         "@pmmmwh/react-refresh-webpack-plugin": "^0.5.3",
diff --git a/package.json b/package.json
index 0a6fd00..db76b3d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "actual-maybe",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "license": "MIT",
   "repository": {
     "type": "git",