diff --git a/flipper-js-client-sdk/package.json b/flipper-js-client-sdk/package.json
index 0ee1dac79..17c42dae1 100644
--- a/flipper-js-client-sdk/package.json
+++ b/flipper-js-client-sdk/package.json
@@ -28,7 +28,7 @@
   "readmeFilename": "README.md",
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^4.21.0",
-    "@typescript-eslint/parser": "^4.20.0",
+    "@typescript-eslint/parser": "^4.21.0",
     "ansi-to-html": "^0.6.3",
     "babel-eslint": "^10.0.1",
     "eslint": "^7.24.0",
diff --git a/flipper-js-client-sdk/yarn.lock b/flipper-js-client-sdk/yarn.lock
index 58af786f9..a8dafe389 100644
--- a/flipper-js-client-sdk/yarn.lock
+++ b/flipper-js-client-sdk/yarn.lock
@@ -187,24 +187,16 @@
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
-"@typescript-eslint/parser@^4.20.0":
-  version "4.20.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.20.0.tgz#8dd403c8b4258b99194972d9799e201b8d083bdd"
-  integrity sha512-m6vDtgL9EABdjMtKVw5rr6DdeMCH3OA1vFb0dAyuZSa3e5yw1YRzlwFnm9knma9Lz6b2GPvoNSa8vOXrqsaglA==
+"@typescript-eslint/parser@^4.21.0":
+  version "4.21.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.21.0.tgz#a227fc2af4001668c3e3f7415d4feee5093894c1"
+  integrity sha512-eyNf7QmE5O/l1smaQgN0Lj2M/1jOuNg2NrBm1dqqQN0sVngTLyw8tdCbih96ixlhbF1oINoN8fDCyEH9SjLeIA==
   dependencies:
-    "@typescript-eslint/scope-manager" "4.20.0"
-    "@typescript-eslint/types" "4.20.0"
-    "@typescript-eslint/typescript-estree" "4.20.0"
+    "@typescript-eslint/scope-manager" "4.21.0"
+    "@typescript-eslint/types" "4.21.0"
+    "@typescript-eslint/typescript-estree" "4.21.0"
     debug "^4.1.1"
 
-"@typescript-eslint/scope-manager@4.20.0":
-  version "4.20.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.20.0.tgz#953ecbf3b00845ece7be66246608be9d126d05ca"
-  integrity sha512-/zm6WR6iclD5HhGpcwl/GOYDTzrTHmvf8LLLkwKqqPKG6+KZt/CfSgPCiybshmck66M2L5fWSF/MKNuCwtKQSQ==
-  dependencies:
-    "@typescript-eslint/types" "4.20.0"
-    "@typescript-eslint/visitor-keys" "4.20.0"
-
 "@typescript-eslint/scope-manager@4.21.0":
   version "4.21.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.21.0.tgz#c81b661c4b8af1ec0c010d847a8f9ab76ab95b4d"
@@ -213,29 +205,11 @@
     "@typescript-eslint/types" "4.21.0"
     "@typescript-eslint/visitor-keys" "4.21.0"
 
-"@typescript-eslint/types@4.20.0":
-  version "4.20.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.20.0.tgz#c6cf5ef3c9b1c8f699a9bbdafb7a1da1ca781225"
-  integrity sha512-cYY+1PIjei1nk49JAPnH1VEnu7OYdWRdJhYI5wiKOUMhLTG1qsx5cQxCUTuwWCmQoyriadz3Ni8HZmGSofeC+w==
-
 "@typescript-eslint/types@4.21.0":
   version "4.21.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.21.0.tgz#abdc3463bda5d31156984fa5bc316789c960edef"
   integrity sha512-+OQaupjGVVc8iXbt6M1oZMwyKQNehAfLYJJ3SdvnofK2qcjfor9pEM62rVjBknhowTkh+2HF+/KdRAc/wGBN2w==
 
-"@typescript-eslint/typescript-estree@4.20.0":
-  version "4.20.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.20.0.tgz#8b3b08f85f18a8da5d88f65cb400f013e88ab7be"
-  integrity sha512-Knpp0reOd4ZsyoEJdW8i/sK3mtZ47Ls7ZHvD8WVABNx5Xnn7KhenMTRGegoyMTx6TiXlOVgMz9r0pDgXTEEIHA==
-  dependencies:
-    "@typescript-eslint/types" "4.20.0"
-    "@typescript-eslint/visitor-keys" "4.20.0"
-    debug "^4.1.1"
-    globby "^11.0.1"
-    is-glob "^4.0.1"
-    semver "^7.3.2"
-    tsutils "^3.17.1"
-
 "@typescript-eslint/typescript-estree@4.21.0":
   version "4.21.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.21.0.tgz#3817bd91857beeaeff90f69f1f112ea58d350b0a"
@@ -249,14 +223,6 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
-"@typescript-eslint/visitor-keys@4.20.0":
-  version "4.20.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.20.0.tgz#1e84db034da13f208325e6bfc995c3b75f7dbd62"
-  integrity sha512-NXKRM3oOVQL8yNFDNCZuieRIwZ5UtjNLYtmMx2PacEAGmbaEYtGgVHUHVyZvU/0rYZcizdrWjDo+WBtRPSgq+A==
-  dependencies:
-    "@typescript-eslint/types" "4.20.0"
-    eslint-visitor-keys "^2.0.0"
-
 "@typescript-eslint/visitor-keys@4.21.0":
   version "4.21.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.21.0.tgz#990a9acdc124331f5863c2cf21c88ba65233cd8d"