diff --git a/package-lock.json b/package-lock.json
index e7f640c..bb29964 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@rdmr-eu/rdfjs-source-msaccess",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@rdmr-eu/rdfjs-source-msaccess",
-      "version": "3.1.0",
+      "version": "3.1.1",
       "license": "MPL-2.0",
       "dependencies": {
         "@rdfjs/types": "^1.1.0",
diff --git a/package.json b/package.json
index b0827bd..27ff69b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rdmr-eu/rdfjs-source-msaccess",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "description": "Generate RDF quads from a Microsoft Access database.",
   "main": "dist/msaccess.js",
   "repository": {