diff --git a/bnunlock/package.json b/bnunlock/package.json
index 59e0d835..47d95bc5 100644
--- a/bnunlock/package.json
+++ b/bnunlock/package.json
@@ -15,7 +15,7 @@
     "license": "Apache-2.0",
     "dependencies": {
         "fabric-shim": "1.4.1",
-        "jsrsasign": "8.0.3"
+        "jsrsasign": "8.0.20"
     },
     "devDependencies": {
         "eslint": "^5.16.0"