diff --git a/package.json b/package.json
index 2b3e8ef..728d3f5 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "@google-cloud/datastore": "^2.0.0",
     "@line/bot-sdk": "^6.3.0",
-    "axios": "^0.18.1",
+    "axios": "^0.21.1",
     "body-parser": "^1.18.3",
     "cors": "^2.8.4",
     "crypto": "^1.0.1",
diff --git a/yarn.lock b/yarn.lock
index bc6d454..26ef6dd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -429,7 +429,7 @@ axios@^0.16.2:
     follow-redirects "^1.2.3"
     is-buffer "^1.1.5"
 
-axios@^0.18.0, axios@^0.18.1:
+axios@^0.18.0:
   version "0.18.1"
   resolved "https://registry.yarnpkg.com/axios/-/axios-0.18.1.tgz#ff3f0de2e7b5d180e757ad98000f1081b87bcea3"
   integrity sha512-0BfJq4NSfQXd+SkFdrvFbG7addhYSBA2mQwISr46pD6E5iqkWg02RAs8vyTT/j0RTnoYmeXauBuSv1qKwR179g==
@@ -437,6 +437,13 @@ axios@^0.18.0, axios@^0.18.1:
     follow-redirects "1.5.10"
     is-buffer "^2.0.2"
 
+axios@^0.21.1:
+  version "0.21.1"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.1.tgz#22563481962f4d6bde9a76d516ef0e5d3c09b2b8"
+  integrity sha512-dKQiRHxGD9PPRIUNIWvZhPTPpl1rf/OxTYKsqKUDjBwYylTvV7SjSHJb9ratfyzM6wCdLCOYLzs73qpg5c4iGA==
+  dependencies:
+    follow-redirects "^1.10.0"
+
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -1103,13 +1110,18 @@ finalhandler@1.1.1:
     statuses "~1.4.0"
     unpipe "~1.0.0"
 
-follow-redirects@1.5.10, follow-redirects@^1.2.3:
+follow-redirects@1.5.10:
   version "1.5.10"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
   integrity sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==
   dependencies:
     debug "=3.1.0"
 
+follow-redirects@^1.10.0, follow-redirects@^1.2.3:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.1.tgz#5f69b813376cee4fd0474a3aba835df04ab763b7"
+  integrity sha512-SSG5xmZh1mkPGyKzjZP8zLjltIfpW32Y5QpdNJyjcfGxK3qo3NDDkZOZSFiGn1A6SclQxY9GzEwAHQ3dmYRWpg==
+
 for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"