diff --git a/typescript/package-lock.json b/typescript/package-lock.json
index 38fefbd..f249b62 100644
--- a/typescript/package-lock.json
+++ b/typescript/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "covertable",
-  "version": "2.4.0-alpha.0",
+  "version": "2.4.0-alpha.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "covertable",
-      "version": "2.4.0-alpha.0",
+      "version": "2.4.0-alpha.1",
       "license": "Apache-2.0",
       "dependencies": {
         "js-md5": "^0.7.3"
diff --git a/typescript/package.json b/typescript/package.json
index 24f03df..1d2f574 100644
--- a/typescript/package.json
+++ b/typescript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "covertable",
-  "version": "2.4.0-alpha.0",
+  "version": "2.4.0-alpha.1",
   "description": "A flexible pairwise tool written in TypeScript",
   "homepage": "https://github.com/walkframe/covertable",
   "repository": {