diff --git a/app/npm-shrinkwrap.json b/app/npm-shrinkwrap.json
index fb350d7..2af3d12 100644
--- a/app/npm-shrinkwrap.json
+++ b/app/npm-shrinkwrap.json
@@ -17,7 +17,7 @@
         "source-map-support": "^0.5.19"
       },
       "devDependencies": {
-        "electron": "^19.0.14"
+        "electron": "^19.0.17"
       }
     },
     "node_modules/@electron/get": {
diff --git a/app/package.json b/app/package.json
index 4fc846f..f1c3877 100644
--- a/app/package.json
+++ b/app/package.json
@@ -20,6 +20,6 @@
     "source-map-support": "^0.5.19"
   },
   "devDependencies": {
-    "electron": "^19.0.14"
+    "electron": "^19.0.17"
   }
 }
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index a07974e..5cc568c 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -37,7 +37,7 @@
         "@types/yargs": "^17.0.10",
         "@typescript-eslint/eslint-plugin": "^5.3.0",
         "@typescript-eslint/parser": "^5.3.0",
-        "electron": "^19.0.14",
+        "electron": "^19.0.17",
         "eslint": "^8.1.0",
         "eslint-config-prettier": "^8.3.0",
         "eslint-plugin-prettier": "^4.0.0",
diff --git a/package.json b/package.json
index 4cfe440..c286243 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "@types/yargs": "^17.0.10",
     "@typescript-eslint/eslint-plugin": "^5.3.0",
     "@typescript-eslint/parser": "^5.3.0",
-    "electron": "^19.0.14",
+    "electron": "^19.0.17",
     "eslint": "^8.1.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^4.0.0",
diff --git a/src/constants.ts b/src/constants.ts
index e6be077..5d28ca6 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -6,18 +6,18 @@ 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 = '19.0.14';
+export const DEFAULT_ELECTRON_VERSION = '19.0.17';
 // 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 = '104.0';
+export const DEFAULT_FIREFOX_VERSION = '104.0.2';
 
 // https://en.wikipedia.org/wiki/Safari_version_history
 export const DEFAULT_SAFARI_VERSION = {
   majorVersion: 15,
-  version: '15.5',
+  version: '15.6',
   webkitVersion: '613.2.7',
 };