diff --git a/package-lock.json b/package-lock.json
index 1de32c5..0d105eb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "hdt",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "hdt",
-      "version": "3.1.0",
+      "version": "3.1.1",
       "license": "LGPL-3.0",
       "dependencies": {
         "minimist": "^1.1.0",
diff --git a/package.json b/package.json
index cb4e1ee..b63d7c7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hdt",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "Native bindings to access HDT compressed triple files.",
   "author": "Ruben Verborgh <ruben.verborgh@gmail.com>",
   "keywords": [