diff --git a/app4/package-lock.json b/app4/package-lock.json
index 357088d..fd60dcc 100644
--- a/app4/package-lock.json
+++ b/app4/package-lock.json
@@ -19,11 +19,11 @@
       "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8="
     },
     "axios": {
-      "version": "0.19.2",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.19.2.tgz",
-      "integrity": "sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==",
+      "version": "0.21.2",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.2.tgz",
+      "integrity": "sha512-87otirqUw3e8CzHTMO+/9kh/FSgXt/eVDvipijwDtEuwbkySWZ9SBm6VEubmJ/kLKEoLQV/POhxXFb66bfekfg==",
       "requires": {
-        "follow-redirects": "1.5.10"
+        "follow-redirects": "^1.14.0"
       }
     },
     "cache-content-type": {
@@ -123,12 +123,9 @@
       "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
     },
     "follow-redirects": {
-      "version": "1.5.10",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
-      "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
-      "requires": {
-        "debug": "=3.1.0"
-      }
+      "version": "1.14.4",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.4.tgz",
+      "integrity": "sha512-zwGkiSXC1MUJG/qmeIFH2HBJx9u0V46QGUe3YR1fXG8bXQxq7fLj0RjLZQ5nubr9qNJUZrH+xUcwXEoXNpfS+g=="
     },
     "fresh": {
       "version": "0.5.2",
diff --git a/app4/package.json b/app4/package.json
index 4863f9e..ba05ceb 100644
--- a/app4/package.json
+++ b/app4/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "axios": "^0.19.2",
+    "axios": "^0.21.2",
     "dotenv": "^8.2.0",
     "koa": "^2.11.0"
   }