diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee28ee3..669b68a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # CHANGELOG
 
+## 2.1.29
+
+- rename `this.setNOPScript()` to `this.prependNOPScript()`
+
+
 ## 2.1.28
 
 - check nopscript when call `this.setNOPScript()`
diff --git a/package-lock.json b/package-lock.json
index d92d6da..3da145a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "scryptlib",
-  "version": "2.1.28",
+  "version": "2.1.29",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "scryptlib",
-      "version": "2.1.28",
+      "version": "2.1.29",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 15956e8..f099fbf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "scryptlib",
-  "version": "2.1.28",
+  "version": "2.1.29",
   "description": "Javascript SDK for integration of Bitcoin SV Smart Contracts written in sCrypt language.",
   "engines": {
     "node": ">=14.0.0"