diff --git a/package-lock.json b/package-lock.json
index 8a22769..650c74d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "bigint-mod-arith",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index f01d57a..17ecf37 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bigint-mod-arith",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Some additional common functions for modular arithmetics using native JS (stage 3) implementation of BigInt",
   "keywords": [
     "modular arithmetics",