diff --git a/package-lock.json b/package-lock.json
index 8840be1..e952ebe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "parsimmon",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "lockfileVersion": 1,
   "dependencies": {
     "acorn": {
diff --git a/package.json b/package.json
index a3d7395..5ed42d4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "parsimmon",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "description": "A monadic LL(infinity) parser combinator library",
   "keywords": [
     "parsing",