diff --git a/package-lock.json b/package-lock.json
index dce2313..ab49087 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@fullstax/kaplan-meier-estimator",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@fullstax/kaplan-meier-estimator",
-      "version": "3.1.1",
+      "version": "3.1.2",
       "license": "Apache-2.0",
       "devDependencies": {
         "@fullstax/prettier-config": "^1.0.2",
diff --git a/package.json b/package.json
index 1864e2f..49070b7 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@fullstax/kaplan-meier-estimator",
   "description": "Kaplan-Meier-Estimator also known as the product limit estimator.",
-  "version": "3.1.1",
+  "version": "3.1.2",
   "author": "fullstax Gmbh & Co. KG <dev@fullstax.de>",
   "contributors": [
     {