diff --git a/package.json b/package.json
index 3597400..67cef4f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "gmsm-sm2js",
-    "version": "0.6.4",
+    "version": "0.6.6",
     "description": "Pure Javascript implementation of the SM2/SM3/SM4 functions based on jsrsasign",
     "keywords": [
         "sm2",