diff --git a/addons/isl/src/ComparisonView/ComparisonView.tsx b/addons/isl/src/ComparisonView/ComparisonView.tsx
index 5269b9fe79df2..dbf8d18d1db37 100644
--- a/addons/isl/src/ComparisonView/ComparisonView.tsx
+++ b/addons/isl/src/ComparisonView/ComparisonView.tsx
@@ -176,7 +176,7 @@ function ComparisonViewHeader({comparison}: {comparison: Comparison}) {
                 ...previous,
                 comparison: {
                   type: (event as React.FormEvent<HTMLSelectElement>).currentTarget
-                    .value as typeof defaultComparisons[0],
+                    .value as (typeof defaultComparisons)[0],
                 },
               }))
             }>
@@ -185,7 +185,7 @@ function ComparisonViewHeader({comparison}: {comparison: Comparison}) {
                 <T>{labelForComparison({type: comparison})}</T>
               </VSCodeOption>
             ))}
-            {!defaultComparisons.includes(comparison.type as typeof defaultComparisons[0]) ? (
+            {!defaultComparisons.includes(comparison.type as (typeof defaultComparisons)[0]) ? (
               <VSCodeOption value={comparison.type} key={comparison.type}>
                 <T>{labelForComparison(comparison)}</T>
               </VSCodeOption>
diff --git a/addons/package.json b/addons/package.json
index 997f460b7c76c..92861948d3b97 100644
--- a/addons/package.json
+++ b/addons/package.json
@@ -18,7 +18,7 @@
     "eslint-plugin-import": "^2.25.4",
     "eslint-plugin-react-hooks": "^4.3.0",
     "eslint-plugin-rulesdir": "^0.2.1",
-    "prettier": "2.7.1"
+    "prettier": "2.8.8"
   },
   "scripts": {
     "prettier-check": "prettier --check .",
diff --git a/addons/textmate/package.json b/addons/textmate/package.json
index 7e3720731b031..fd69d52faead1 100644
--- a/addons/textmate/package.json
+++ b/addons/textmate/package.json
@@ -12,7 +12,7 @@
     "jsonc-parser": "^2.2.1",
     "minimist": "^1.2.8",
     "monaco-editor": "^0.21.2",
-    "prettier": "2.7.1",
+    "prettier": "2.8.8",
     "typescript": "^4.5.5"
   }
 }
diff --git a/addons/vscode/__mocks__/vscode.ts b/addons/vscode/__mocks__/vscode.ts
index d419ee0f25d50..b7e79a6407a31 100644
--- a/addons/vscode/__mocks__/vscode.ts
+++ b/addons/vscode/__mocks__/vscode.ts
@@ -51,7 +51,7 @@ function proxyMissingFieldsWithJestFn<T extends object>(t: T): T {
         return t[key];
       }
       // make sure we keep the jest.fn() we make so it's not remade each time
-      t[key] = jest.fn().mockReturnValue(new Disposable()) as unknown as typeof t[keyof T];
+      t[key] = jest.fn().mockReturnValue(new Disposable()) as unknown as (typeof t)[keyof T];
       return t[key];
     }) as unknown as ProxyHandler<T>['get'],
   });
diff --git a/addons/yarn.lock b/addons/yarn.lock
index dafdda16468d4..797cd4107a2a2 100644
--- a/addons/yarn.lock
+++ b/addons/yarn.lock
@@ -9251,10 +9251,10 @@ prelude-ls@~1.1.2:
   resolved "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz"
   integrity sha512-ESF23V4SKG6lVSGZgYNpbsiaAkdab6ZgOxe52p7+Kid3W3u3bxR4Vfd/o21dmN7jSt0IwgZ4v5MUd26FEtXE9w==
 
-prettier@2.7.1:
-  version "2.7.1"
-  resolved "https://registry.npmjs.org/prettier/-/prettier-2.7.1.tgz"
-  integrity sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==
+prettier@2.8.8:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
+  integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
 
 pretty-bytes@^5.3.0, pretty-bytes@^5.4.1:
   version "5.6.0"