diff --git a/day003/dapp-sample/client/package-lock.json b/day003/dapp-sample/client/package-lock.json
index f9fcc16..3cc460f 100644
--- a/day003/dapp-sample/client/package-lock.json
+++ b/day003/dapp-sample/client/package-lock.json
@@ -13,7 +13,7 @@
         "react-dom": "^16.6.3",
         "react-loader-spinner": "^2.3.0",
         "react-scripts": "^5.0.1",
-        "tar": "^7.5.4",
+        "tar": "^7.5.7",
         "web3": "^4.6.0"
       }
     },
@@ -17255,9 +17255,9 @@
       }
     },
     "node_modules/tar": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-7.5.4.tgz",
-      "integrity": "sha512-AN04xbWGrSTDmVwlI4/GTlIIwMFk/XEv7uL8aa57zuvRy6s4hdBed+lVq2fAZ89XDa7Us3ANXcE3Tvqvja1kTA==",
+      "version": "7.5.7",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-7.5.7.tgz",
+      "integrity": "sha512-fov56fJiRuThVFXD6o6/Q354S7pnWMJIVlDBYijsTNx6jKSE4pvrDTs6lUnmGvNyfJwFQQwWy3owKz1ucIhveQ==",
       "license": "BlueOak-1.0.0",
       "dependencies": {
         "@isaacs/fs-minipass": "^4.0.0",
diff --git a/day003/dapp-sample/client/package.json b/day003/dapp-sample/client/package.json
index 301571c..f93906c 100644
--- a/day003/dapp-sample/client/package.json
+++ b/day003/dapp-sample/client/package.json
@@ -9,7 +9,7 @@
     "react-dom": "^16.6.3",
     "react-loader-spinner": "^2.3.0",
     "react-scripts": "^5.0.1",
-    "tar": "^7.5.4",
+    "tar": "^7.5.7",
     "web3": "^4.6.0"
   },
   "scripts": {