diff --git a/src/constants.ts b/src/constants.ts
index 3687309..fa239ba 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -6,13 +6,13 @@ export const DEFAULT_APP_NAME = 'APP';
 //   - upgrade app / package.json / "devDependencies" / "electron"
 //   - upgrade       package.json / "devDependencies" / "electron"
 // Doing a *major* upgrade? Read https://github.com/nativefier/nativefier/blob/master/HACKING.md#deps-major-upgrading-electron
-export const DEFAULT_ELECTRON_VERSION = '19.0.9';
+export const DEFAULT_ELECTRON_VERSION = '19.0.10';
 // https://atom.io/download/atom-shell/index.json
 export const DEFAULT_CHROME_VERSION = '102.0.5005.167';
 
 // Update each of these periodically
 // https://product-details.mozilla.org/1.0/firefox_versions.json
-export const DEFAULT_FIREFOX_VERSION = '102.0.1';
+export const DEFAULT_FIREFOX_VERSION = '103.0';
 
 // https://en.wikipedia.org/wiki/Safari_version_history
 export const DEFAULT_SAFARI_VERSION = {