diff --git a/package-lock.json b/package-lock.json
index 6f723d6..7d5d839 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@buge/ts-units",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@buge/ts-units",
-      "version": "1.2.0",
+      "version": "1.2.1",
       "license": "Apache-2.0",
       "devDependencies": {
         "@types/chai": "^4.2.12",
diff --git a/package.json b/package.json
index 3ca40b4..741b0c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@buge/ts-units",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Physical Units for TypeScript",
   "author": "Philipp Bunge <buge@crimson.ch>",
   "license": "Apache-2.0",