diff --git a/package.json b/package.json
index ee4efd6ff2..2cb20dbe33 100644
--- a/package.json
+++ b/package.json
@@ -115,7 +115,7 @@
     "eslint-plugin-import": "^2.25.4",
     "mobx": "5.13.0",
     "mobx-react": "6.1.1",
-    "prettier": "^2.7.1",
+    "prettier": "^2.8.2",
     "rc-table": "^7.17.1",
     "react-copy-to-clipboard": "^5.0.2",
     "react-draggable": "^4.4.5",
diff --git a/src/models/timezone/timezone.types.ts b/src/models/timezone/timezone.types.ts
index 6ed4026147..2b62579be0 100644
--- a/src/models/timezone/timezone.types.ts
+++ b/src/models/timezone/timezone.types.ts
@@ -1,4 +1,4 @@
-const tzs = [
+const tzs: string[] = [
   'Africa/Abidjan',
   'Africa/Accra',
   'Africa/Addis_Ababa',
@@ -591,6 +591,6 @@ const tzs = [
   'W-SU',
   'WET',
   'Zulu',
-] as const;
+];
 
-export type Timezone = typeof tzs[number];
+export type Timezone = (typeof tzs)[number];
diff --git a/yarn.lock b/yarn.lock
index 7d7cc95064..6ef39fdcce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10913,11 +10913,16 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@2.7.1, prettier@^2.7.1:
+prettier@2.7.1:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.7.1.tgz#e235806850d057f97bb08368a4f7d899f7760c64"
   integrity sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==
 
+prettier@^2.8.2:
+  version "2.8.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.2.tgz#c4ea1b5b454d7c4b59966db2e06ed7eec5dfd160"
+  integrity sha512-BtRV9BcncDyI2tsuS19zzhzoxD8Dh8LiCx7j7tHzrkz8GFXAexeWFdi22mjE1d16dftH2qNaytVxqiRTGlMfpw==
+
 pretty-error@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-4.0.0.tgz#90a703f46dd7234adb46d0f84823e9d1cb8f10d6"