diff --git a/package.json b/package.json
index 4b633bc..f040f6e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "constantinople",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
   "description": "Determine whether a JavaScript expression evaluates to a constant (using acorn)",
@@ -32,4 +32,4 @@
   },
   "author": "ForbesLindesay",
   "license": "MIT"
-}
+}
\ No newline at end of file