diff --git a/ELECTRON_VERSION b/ELECTRON_VERSION
index 228eec2133..ab0de8c9f7 100644
--- a/ELECTRON_VERSION
+++ b/ELECTRON_VERSION
@@ -1 +1 @@
-18.0.0-nightly.20211220
\ No newline at end of file
+18.0.0-nightly.20211221
\ No newline at end of file
diff --git a/package.json b/package.json
index 0556d0bc67..a7b9af4586 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "electron",
-  "version": "18.0.0-nightly.20211220",
+  "version": "18.0.0-nightly.20211221",
   "repository": "https://github.com/electron/electron",
   "description": "Build cross platform desktop apps with JavaScript, HTML, and CSS",
   "devDependencies": {
diff --git a/shell/browser/resources/win/electron.rc b/shell/browser/resources/win/electron.rc
index 3c6d6bbcf5..e0c19a5338 100644
--- a/shell/browser/resources/win/electron.rc
+++ b/shell/browser/resources/win/electron.rc
@@ -50,8 +50,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 18,0,0,20211220
- PRODUCTVERSION 18,0,0,20211220
+ FILEVERSION 18,0,0,20211221
+ PRODUCTVERSION 18,0,0,20211221
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L