diff --git a/atom/browser/resources/mac/Info.plist b/atom/browser/resources/mac/Info.plist
index f1c6b4137..28eddfa61 100644
--- a/atom/browser/resources/mac/Info.plist
+++ b/atom/browser/resources/mac/Info.plist
@@ -17,9 +17,9 @@
   <key>CFBundleIconFile</key>
   <string>electron.icns</string>
   <key>CFBundleVersion</key>
-  <string>1.2.0</string>
+  <string>1.2.1</string>
   <key>CFBundleShortVersionString</key>
-  <string>1.2.0</string>
+  <string>1.2.1</string>
   <key>LSApplicationCategoryType</key>
   <string>public.app-category.developer-tools</string>
   <key>LSMinimumSystemVersion</key>
diff --git a/atom/browser/resources/win/atom.rc b/atom/browser/resources/win/atom.rc
index 701e6fe29..7e386d319 100644
--- a/atom/browser/resources/win/atom.rc
+++ b/atom/browser/resources/win/atom.rc
@@ -56,8 +56,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,2,0,0
- PRODUCTVERSION 1,2,0,0
+ FILEVERSION 1,2,1,0
+ PRODUCTVERSION 1,2,1,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -74,12 +74,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "GitHub, Inc."
             VALUE "FileDescription", "Electron"
-            VALUE "FileVersion", "1.2.0"
+            VALUE "FileVersion", "1.2.1"
             VALUE "InternalName", "electron.exe"
             VALUE "LegalCopyright", "Copyright (C) 2015 GitHub, Inc. All rights reserved."
             VALUE "OriginalFilename", "electron.exe"
             VALUE "ProductName", "Electron"
-            VALUE "ProductVersion", "1.2.0"
+            VALUE "ProductVersion", "1.2.1"
             VALUE "SquirrelAwareVersion", "1"
         END
     END
diff --git a/atom/common/atom_version.h b/atom/common/atom_version.h
index cf2ef14d8..455bfacbf 100644
--- a/atom/common/atom_version.h
+++ b/atom/common/atom_version.h
@@ -7,7 +7,7 @@
 
 #define ATOM_MAJOR_VERSION 1
 #define ATOM_MINOR_VERSION 2
-#define ATOM_PATCH_VERSION 0
+#define ATOM_PATCH_VERSION 1
 
 #define ATOM_VERSION_IS_RELEASE 1
 
diff --git a/electron.gyp b/electron.gyp
index c11444121..055cb0c20 100644
--- a/electron.gyp
+++ b/electron.gyp
@@ -4,7 +4,7 @@
     'product_name%': 'Electron',
     'company_name%': 'GitHub, Inc',
     'company_abbr%': 'github',
-    'version%': '1.2.0',
+    'version%': '1.2.1',
   },
   'includes': [
     'filenames.gypi',
diff --git a/package.json b/package.json
index d96ed1cd4..6f873786e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "electron",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "devDependencies": {
     "asar": "^0.11.0",
     "request": "*",