diff --git a/package.json b/package.json
index 54d5339..8e35754 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "dependencies": {
     "@zeit/next-css": "^1.0.1",
     "antd": "^3.26.3",
-    "axios": "^0.19.1",
+    "axios": "^0.21.1",
     "babel-plugin-import": "^1.13.0",
     "dayjs": "^1.8.19",
     "highlight.js": "^9.17.1",
diff --git a/yarn.lock b/yarn.lock
index f46c25c..b353326 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1390,12 +1390,12 @@ autoprefixer@^9.6.1:
     postcss "^7.0.23"
     postcss-value-parser "^4.0.2"
 
-axios@^0.19.1:
-  version "0.19.1"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.1.tgz#8a6a04eed23dfe72747e1dd43c604b8f1677b5aa"
-  integrity sha512-Yl+7nfreYKaLRvAvjNPkvfjnQHJM1yLBY3zhqAwcJSwR/6ETkanUgylgtIvkvz0xJ+p/vZuNw8X7Hnb7Whsbpw==
+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 "1.5.10"
+    follow-redirects "^1.10.0"
 
 babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
   version "6.26.0"
@@ -2012,7 +2012,7 @@ core-js@^1.0.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
   integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
 
-core-js@^2.4.0, core-js@^2.5.3, core-js@^2.6.5:
+core-js@^2.4.0, core-js@^2.6.5:
   version "2.6.11"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
   integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
@@ -2231,13 +2231,6 @@ debug@2.6.9, debug@^2.2.0, debug@^2.3.3:
   dependencies:
     ms "2.0.0"
 
-debug@=3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
-  dependencies:
-    ms "2.0.0"
-
 debug@^4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
@@ -2688,12 +2681,10 @@ flush-write-stream@^1.0.0:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
-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:
+  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"
@@ -3570,15 +3561,6 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-markdown-navbar@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/markdown-navbar/-/markdown-navbar-1.1.2.tgz#8d8fa0d7dce44e62695e627e3a2146c1b64dad60"
-  integrity sha512-A1ql1Eq86Jonl/4fXN5h3iP/RqnnG823GHDfKLX76SV76xZa5QmGYuGLx1r/yKe/JwscqzxUYTk5Qy++OqlT3g==
-  dependencies:
-    core-js "^2.5.3"
-    prop-types "^15.6.0"
-    react "^16.2.0"
-
 marked@^0.8.0:
   version "0.8.0"
   resolved "https://registry.yarnpkg.com/marked/-/marked-0.8.0.tgz#ec5c0c9b93878dc52dd54be8d0e524097bd81a99"
@@ -5417,7 +5399,7 @@ react-slick@~0.25.2:
     lodash.debounce "^4.0.8"
     resize-observer-polyfill "^1.5.0"
 
-react@16.12.0, react@^16.2.0:
+react@16.12.0:
   version "16.12.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"
   integrity sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==