diff --git a/packages/datafile-manager/.eslintrc.js b/packages/datafile-manager/.eslintrc.js
index b0212da27..dbbba4a4f 100644
--- a/packages/datafile-manager/.eslintrc.js
+++ b/packages/datafile-manager/.eslintrc.js
@@ -40,6 +40,7 @@ module.exports = {
     '@typescript-eslint/camelcase': 'off',
     '@typescript-eslint/no-empty-function': 'off',
     '@typescript-eslint/no-explicit-any': 'off',
-    '@typescript-eslint/no-non-null-assertion': 'off'
+    '@typescript-eslint/no-non-null-assertion': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off'
   },
 };
diff --git a/packages/datafile-manager/package-lock.json b/packages/datafile-manager/package-lock.json
index cc9403f6d..39496cc6d 100644
--- a/packages/datafile-manager/package-lock.json
+++ b/packages/datafile-manager/package-lock.json
@@ -1114,49 +1114,60 @@
       "dev": true
     },
     "@typescript-eslint/eslint-plugin": {
-      "version": "2.34.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.34.0.tgz",
-      "integrity": "sha512-4zY3Z88rEE99+CNvTbXSyovv2z9PNOVffTWD2W8QF5s2prBQtwN2zadqERcrHpcR7O/+KMI3fcTAmUUhK/iQcQ==",
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-3.10.1.tgz",
+      "integrity": "sha512-PQg0emRtzZFWq6PxBcdxRH3QIQiyFO3WCVpRL3fgj5oQS3CDs3AeAKfv4DxNhzn8ITdNJGJ4D3Qw8eAJf3lXeQ==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/experimental-utils": "2.34.0",
+        "@typescript-eslint/experimental-utils": "3.10.1",
+        "debug": "^4.1.1",
         "functional-red-black-tree": "^1.0.1",
         "regexpp": "^3.0.0",
+        "semver": "^7.3.2",
         "tsutils": "^3.17.1"
       }
     },
     "@typescript-eslint/experimental-utils": {
-      "version": "2.34.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-2.34.0.tgz",
-      "integrity": "sha512-eS6FTkq+wuMJ+sgtuNTtcqavWXqsflWcfBnlYhg/nS4aZ1leewkXGbvBhaapn1q6qf4M71bsR1tez5JTRMuqwA==",
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-3.10.1.tgz",
+      "integrity": "sha512-DewqIgscDzmAfd5nOGe4zm6Bl7PKtMG2Ad0KG8CUZAHlXfAKTF9Ol5PXhiMh39yRL2ChRH1cuuUGOcVyyrhQIw==",
       "dev": true,
       "requires": {
         "@types/json-schema": "^7.0.3",
-        "@typescript-eslint/typescript-estree": "2.34.0",
+        "@typescript-eslint/types": "3.10.1",
+        "@typescript-eslint/typescript-estree": "3.10.1",
         "eslint-scope": "^5.0.0",
         "eslint-utils": "^2.0.0"
       }
     },
     "@typescript-eslint/parser": {
-      "version": "2.34.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-2.34.0.tgz",
-      "integrity": "sha512-03ilO0ucSD0EPTw2X4PntSIRFtDPWjrVq7C3/Z3VQHRC7+13YB55rcJI3Jt+YgeHbjUdJPcPa7b23rXCBokuyA==",
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-3.10.1.tgz",
+      "integrity": "sha512-Ug1RcWcrJP02hmtaXVS3axPPTTPnZjupqhgj+NnZ6BCkwSImWk/283347+x9wN+lqOdK9Eo3vsyiyDHgsmiEJw==",
       "dev": true,
       "requires": {
         "@types/eslint-visitor-keys": "^1.0.0",
-        "@typescript-eslint/experimental-utils": "2.34.0",
-        "@typescript-eslint/typescript-estree": "2.34.0",
+        "@typescript-eslint/experimental-utils": "3.10.1",
+        "@typescript-eslint/types": "3.10.1",
+        "@typescript-eslint/typescript-estree": "3.10.1",
         "eslint-visitor-keys": "^1.1.0"
       }
     },
+    "@typescript-eslint/types": {
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-3.10.1.tgz",
+      "integrity": "sha512-+3+FCUJIahE9q0lDi1WleYzjCwJs5hIsbugIgnbB+dSCYUxl8L6PwmsyOPFZde2hc1DlTo/xnkOgiTLSyAbHiQ==",
+      "dev": true
+    },
     "@typescript-eslint/typescript-estree": {
-      "version": "2.34.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-2.34.0.tgz",
-      "integrity": "sha512-OMAr+nJWKdlVM9LOqCqh3pQQPwxHAN7Du8DR6dmwCrAmxtiXQnhHJ6tBNtf+cggqfo51SG/FCwnKhXCIM7hnVg==",
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-3.10.1.tgz",
+      "integrity": "sha512-QbcXOuq6WYvnB3XPsZpIwztBoquEYLXh2MtwVU+kO8jgYCiv4G5xrSP/1wg4tkvrEE+esZVquIPX/dxPlePk1w==",
       "dev": true,
       "requires": {
+        "@typescript-eslint/types": "3.10.1",
+        "@typescript-eslint/visitor-keys": "3.10.1",
         "debug": "^4.1.1",
-        "eslint-visitor-keys": "^1.1.0",
         "glob": "^7.1.6",
         "is-glob": "^4.0.1",
         "lodash": "^4.17.15",
@@ -1164,6 +1175,15 @@
         "tsutils": "^3.17.1"
       }
     },
+    "@typescript-eslint/visitor-keys": {
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-3.10.1.tgz",
+      "integrity": "sha512-9JgC82AaQeglebjZMgYR5wgmfUdUc+EitGUUMW8u2nDckaeimzW+VsoLV6FoimPv2id3VQzfjwBxEMVz08ameQ==",
+      "dev": true,
+      "requires": {
+        "eslint-visitor-keys": "^1.1.0"
+      }
+    },
     "abab": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.5.tgz",
@@ -5117,9 +5137,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.2.tgz",
-      "integrity": "sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.3.tgz",
+      "integrity": "sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==",
       "dev": true
     },
     "universalify": {
diff --git a/packages/datafile-manager/package.json b/packages/datafile-manager/package.json
index 5653c72c2..7f8da5a09 100644
--- a/packages/datafile-manager/package.json
+++ b/packages/datafile-manager/package.json
@@ -30,12 +30,13 @@
     "access": "public"
   },
   "devDependencies": {
+    "@react-native-async-storage/async-storage": "^1.2.0",
     "@types/jest": "^26.0.3",
     "@types/nise": "^1.4.0",
     "@types/nock": "^9.3.1",
     "@types/node": "^11.11.7",
-    "@typescript-eslint/eslint-plugin": "^2.23.0",
-    "@typescript-eslint/parser": "^2.23.0",
+    "@typescript-eslint/eslint-plugin": "^3.3.0",
+    "@typescript-eslint/parser": "^3.3.0",
     "eslint": "^6.8.0",
     "eslint-config-prettier": "^6.10.0",
     "eslint-plugin-prettier": "^3.1.2",
@@ -44,8 +45,7 @@
     "nock": "^10.0.6",
     "prettier": "^1.19.1",
     "ts-jest": "^27.0.1",
-    "typescript": "^4.0.3",
-    "@react-native-async-storage/async-storage": "^1.2.0"
+    "typescript": "^4.0.3"
   },
   "dependencies": {
     "@optimizely/js-sdk-logging": "^0.1.0",
@@ -58,6 +58,7 @@
   "scripts": {
     "lint": "tsc --noEmit && eslint --fix 'src/**/*.ts' '__test__/**/*.ts'",
     "test": "jest",
+    "posttest": "npm run lint",
     "tsc": "rm -rf lib && tsc",
     "prepublishOnly": "npm run lint && npm test && npm run tsc"
   }