diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 2ba9a6e..8fc538f
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "react-router-dom": "^5.3.0",
     "react-scripts": "4.0.3",
     "sanitize-html": "^2.5.2",
-    "typescript": "^4.0.3",
+    "typescript": "^4.5.2",
     "web-vitals": "^0.2.4",
     "workbox-background-sync": "^5.1.3",
     "workbox-broadcast-update": "^5.1.3",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index c4caa8c..111b4e9
--- a/yarn.lock
+++ b/yarn.lock
@@ -11205,10 +11205,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^4.0.3:
-  version "4.4.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.4.4.tgz#2cd01a1a1f160704d3101fd5a58ff0f9fcb8030c"
-  integrity sha512-DqGhF5IKoBl8WNf8C1gu8q0xZSInh9j1kJJMqT3a94w1JzVaBU4EXOSMrz9yDqMT0xt3selp83fuFMQ0uzv6qA==
+typescript@^4.5.2:
+  version "4.5.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.5.4.tgz#a17d3a0263bf5c8723b9c52f43c5084edf13c2e8"
+  integrity sha512-VgYs2A2QIRuGphtzFV7aQJduJ2gyfTljngLzjpfW9FoYZF6xuw1W0vW9ghCKLfcWrCFxK81CSGRAvS1pn4fIUg==
 
 unbox-primitive@^1.0.1:
   version "1.0.1"