diff --git a/lib/main.js b/lib/main.js
index 04fa1c0..4f538e8 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -1,9 +1,10 @@
 "use strict";
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
         function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
         function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
@@ -22,13 +23,13 @@ function get_release_by_tag(tag, octokit, context) {
     return __awaiter(this, void 0, void 0, function* () {
         try {
             core.debug(`Getting release by tag ${tag}.`);
-            return yield octokit.repos.getReleaseByTag(Object.assign({}, context.repo, { tag: tag }));
+            return yield octokit.repos.getReleaseByTag(Object.assign(Object.assign({}, context.repo), { tag: tag }));
         }
         catch (error) {
             // If this returns 404, we need to create the release first.
             if (error.status === 404) {
                 core.debug(`Release for tag ${tag} doesn't exist yet so we'll create it now.`);
-                return yield octokit.repos.createRelease(Object.assign({}, context.repo, { tag_name: tag }));
+                return yield octokit.repos.createRelease(Object.assign(Object.assign({}, context.repo), { tag_name: tag }));
             }
             else {
                 throw error;
@@ -41,12 +42,12 @@ function upload_to_release(release, file, asset_name, tag, overwrite, octokit, c
         const file_size = fs.statSync(file).size;
         const file_bytes = fs.readFileSync(file);
         // Check for duplicates.
-        const assets = yield octokit.repos.listAssetsForRelease(Object.assign({}, context.repo, { release_id: release.data.id }));
+        const assets = yield octokit.repos.listAssetsForRelease(Object.assign(Object.assign({}, context.repo), { release_id: release.data.id }));
         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.`);
-                yield octokit.repos.deleteReleaseAsset(Object.assign({}, context.repo, { asset_id: duplicate_asset.id }));
+                yield octokit.repos.deleteReleaseAsset(Object.assign(Object.assign({}, context.repo), { asset_id: duplicate_asset.id }));
             }
             else {
                 core.setFailed(`An asset called ${asset_name} already exists.`);
diff --git a/package-lock.json b/package-lock.json
index 4fe16a8..75dd7b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -609,8 +609,7 @@
     "@types/node": {
       "version": "12.6.9",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.6.9.tgz",
-      "integrity": "sha512-+YB9FtyxXGyD54p8rXwWaN1EWEyar5L58GlGWgtH2I9rGmLGBQcw63+0jw+ujqVavNuO47S1ByAjm9zdHMnskw==",
-      "dev": true
+      "integrity": "sha512-+YB9FtyxXGyD54p8rXwWaN1EWEyar5L58GlGWgtH2I9rGmLGBQcw63+0jw+ujqVavNuO47S1ByAjm9zdHMnskw=="
     },
     "@types/stack-utils": {
       "version": "1.0.1",