diff --git a/.eslintrc.json b/.eslintrc.json
index 1d66b29..dfa78b8 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,6 +1,6 @@
 {
-    "plugins": ["jest", "@typescript-eslint"],
-    "extends": ["plugin:github/es6"],
+    "plugins": ["jest", "@typescript-eslint", "github"],
+    "extends": ["plugin:github/typescript"],
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
         "ecmaVersion": 9,
@@ -18,15 +18,10 @@
         "@typescript-eslint/no-require-imports": "error",
         "@typescript-eslint/array-type": "error",
         "@typescript-eslint/await-thenable": "error",
-        "@typescript-eslint/ban-ts-ignore": "error",
-        "camelcase": "off",
-        "@typescript-eslint/camelcase": "error",
-        "@typescript-eslint/class-name-casing": "error",
         "@typescript-eslint/explicit-function-return-type": ["error", {
             "allowExpressions": true
         }],
         "@typescript-eslint/func-call-spacing": ["error", "never"],
-        "@typescript-eslint/generic-type-naming": ["error", "^[A-Z][A-Za-z]*$"],
         "@typescript-eslint/no-array-constructor": "error",
         "@typescript-eslint/no-empty-interface": "error",
         "@typescript-eslint/no-explicit-any": "error",
@@ -36,7 +31,6 @@
         "@typescript-eslint/no-misused-new": "error",
         "@typescript-eslint/no-namespace": "error",
         "@typescript-eslint/no-non-null-assertion": "warn",
-        "@typescript-eslint/no-object-literal-type-assertion": "error",
         "@typescript-eslint/no-unnecessary-qualifier": "error",
         "@typescript-eslint/no-unnecessary-type-assertion": "error",
         "@typescript-eslint/no-useless-constructor": "error",
@@ -44,7 +38,6 @@
         "@typescript-eslint/prefer-for-of": "warn",
         "@typescript-eslint/prefer-function-type": "warn",
         "@typescript-eslint/prefer-includes": "error",
-        "@typescript-eslint/prefer-interface": "error",
         "@typescript-eslint/prefer-string-starts-ends-with": "error",
         "@typescript-eslint/promise-function-async": "error",
         "@typescript-eslint/require-array-sort-compare": "error",
diff --git a/package-lock.json b/package-lock.json
index 0006f9f..4f1dd8d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1410,6 +1410,15 @@
       "integrity": "sha512-OCutwjDZ4aFS6PB1UZ988C4YgwlBHJd6wCeQqaLdmadZ/7e+w79+hbMUFC1QXDNCmdyoRfAFdm0RypzwR+Qpag==",
       "dev": true
     },
+    "@types/glob": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.2.tgz",
+      "integrity": "sha512-VgNIkxK+j7Nz5P7jvUZlRvhuPSmsEfS03b0alKcq5V/STUKAa3Plemsn5mrQUO7am6OErJ4rhGEGJbACclrtRA==",
+      "requires": {
+        "@types/minimatch": "*",
+        "@types/node": "*"
+      }
+    },
     "@types/graceful-fs": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/@types/graceful-fs/-/graceful-fs-4.1.3.tgz",
@@ -1465,6 +1474,11 @@
       "integrity": "sha1-7ihweulOEdK4J7y+UnC86n8+ce4=",
       "dev": true
     },
+    "@types/minimatch": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
+      "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA=="
+    },
     "@types/node": {
       "version": "12.12.47",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.47.tgz",
diff --git a/package.json b/package.json
index be6c303..350b2b4 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
   "dependencies": {
     "@actions/core": "^1.2.0",
     "@actions/github": "^4.0.0",
+    "@types/glob": "^7.1.2",
     "glob": "^7.1.6"
   },
   "devDependencies": {
diff --git a/src/main.ts b/src/main.ts
index 6919864..66efaff 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,19 +1,23 @@
 import * as fs from 'fs'
+import {Octokit} from '@octokit/core'
+import {Endpoints} from '@octokit/types'
 import * as core from '@actions/core'
 import * as github from '@actions/github'
 import * as path from 'path'
+import * as glob from 'glob'
 
-const glob = require('glob')
+type RepoAssetsResp = Endpoints['GET /repos/:owner/:repo/releases/:release_id/assets']['response']
+type ReleaseByTagResp = Endpoints['GET /repos/:owner/:repo/releases/tags/:tag']['response']
+type CreateReleaseResp = Endpoints['POST /repos/:owner/:repo/releases']['response']
 
 async function get_release_by_tag(
   tag: string,
-  octokit: any,
-  context: any
-): Promise<any> {
+  octokit: Octokit
+): Promise<ReleaseByTagResp | CreateReleaseResp> {
   try {
     core.debug(`Getting release by tag ${tag}.`)
     return await octokit.repos.getReleaseByTag({
-      ...context.repo,
+      ...github.context.repo,
       tag: tag
     })
   } catch (error) {
@@ -23,7 +27,7 @@ async function get_release_by_tag(
         `Release for tag ${tag} doesn't exist yet so we'll create it now.`
       )
       return await octokit.repos.createRelease({
-        ...context.repo,
+        ...github.context.repo,
         tag_name: tag
       })
     } else {
@@ -33,14 +37,13 @@ async function get_release_by_tag(
 }
 
 async function upload_to_release(
-  release: any,
+  release: ReleaseByTagResp | CreateReleaseResp,
   file: string,
   asset_name: string,
   tag: string,
   overwrite: string,
-  octokit: any,
-  context: any
-) {
+  octokit: Octokit
+): Promise<void> {
   const stat = fs.statSync(file)
   if (!stat.isFile()) {
     core.debug(`Skipping ${file}, since its not a file`)
@@ -50,18 +53,18 @@ async function upload_to_release(
   const file_bytes = fs.readFileSync(file)
 
   // Check for duplicates.
-  const assets = await octokit.repos.listAssetsForRelease({
-    ...context.repo,
+  const assets: RepoAssetsResp = await octokit.repos.listAssetsForRelease({
+    ...github.context.repo,
     release_id: release.data.id
   })
-  const duplicate_asset = assets.data.find((a: any) => a.name === asset_name)
+  const duplicate_asset = assets.data.find(a => a.name === asset_name)
   if (duplicate_asset !== undefined) {
     if (overwrite === 'true') {
       core.debug(
         `An asset called ${asset_name} already exists in release ${tag} so we'll overwrite it.`
       )
       await octokit.repos.deleteReleaseAsset({
-        ...context.repo,
+        ...github.context.repo,
         asset_id: duplicate_asset.id
       })
     } else {
@@ -86,7 +89,7 @@ async function upload_to_release(
   })
 }
 
-async function run() {
+async function run(): Promise<void> {
   try {
     const token = core.getInput('repo_token', {required: true})
     const file = core.getInput('file', {required: true})
@@ -94,14 +97,13 @@ async function run() {
     const tag = core.getInput('tag', {required: true}).replace('refs/tags/', '')
     const overwrite = core.getInput('overwrite')
 
-    const octokit = github.getOctokit(token)
-    const context = github.context
-    const release = await get_release_by_tag(tag, octokit, context)
+    const octokit: Octokit = github.getOctokit(token)
+    const release = await get_release_by_tag(tag, octokit)
 
     if (file_glob === 'true') {
       const files = glob.sync(file)
       if (files.length > 0) {
-        for (let file of files) {
+        for (const file of files) {
           const asset_name = path.basename(file)
           await upload_to_release(
             release,
@@ -109,8 +111,7 @@ async function run() {
             asset_name,
             tag,
             overwrite,
-            octokit,
-            context
+            octokit
           )
         }
       } else {
@@ -126,8 +127,7 @@ async function run() {
         asset_name,
         tag,
         overwrite,
-        octokit,
-        context
+        octokit
       )
     }
   } catch (error) {