diff --git a/aula3-testes+redux-thunk/planner-boilerplate/package-lock.json b/aula3-testes+redux-thunk/planner-boilerplate/package-lock.json
index 0fa974c..e18cf04 100644
--- a/aula3-testes+redux-thunk/planner-boilerplate/package-lock.json
+++ b/aula3-testes+redux-thunk/planner-boilerplate/package-lock.json
@@ -2285,12 +2285,18 @@
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     },
     "axios": {
-      "version": "0.19.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.19.0.tgz",
-      "integrity": "sha512-1uvKqKQta3KBxIz14F2v06AEHZ/dIoeKfbTRkK1E5oqjDnuEerLmYTgJB5AiQZHJcljpg1TuRzdjDR06qNk0DQ==",
+      "version": "0.21.1",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.1.tgz",
+      "integrity": "sha512-dKQiRHxGD9PPRIUNIWvZhPTPpl1rf/OxTYKsqKUDjBwYylTvV7SjSHJb9ratfyzM6wCdLCOYLzs73qpg5c4iGA==",
       "requires": {
-        "follow-redirects": "1.5.10",
-        "is-buffer": "^2.0.2"
+        "follow-redirects": "^1.10.0"
+      },
+      "dependencies": {
+        "follow-redirects": {
+          "version": "1.13.1",
+          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.13.1.tgz",
+          "integrity": "sha512-SSG5xmZh1mkPGyKzjZP8zLjltIfpW32Y5QpdNJyjcfGxK3qo3NDDkZOZSFiGn1A6SclQxY9GzEwAHQ3dmYRWpg=="
+        }
       }
     },
     "axobject-query": {
@@ -7131,11 +7137,6 @@
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       "dev": true
     },
-    "is-buffer": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.4.tgz",
-      "integrity": "sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A=="
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     "is-callable": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.5.tgz",
diff --git a/aula3-testes+redux-thunk/planner-boilerplate/package.json b/aula3-testes+redux-thunk/planner-boilerplate/package.json
index 71c978c..a8b0b77 100644
--- a/aula3-testes+redux-thunk/planner-boilerplate/package.json
+++ b/aula3-testes+redux-thunk/planner-boilerplate/package.json
@@ -7,7 +7,7 @@
   "dependencies": {
     "@material-ui/core": "^4.8.3",
     "@material-ui/icons": "^4.5.1",
-    "axios": "0.19.0",
+    "axios": "0.21.1",
     "connected-react-router": "6.5.2",
     "history": "4.10.1",
     "react": "16.8.6",