diff --git a/README.md b/README.md
index e40728f8..957d23b7 100644
--- a/README.md
+++ b/README.md
@@ -3,15 +3,15 @@ CEF4Delphi is an open source project created by Salvador Díaz Fau to embed Chro
 
 CEF4Delphi is based on DCEF3 and fpCEF3. The original license of those projects still applies to CEF4Delphi. Read the license terms in the LICENSE.md file.
 
-CEF4Delphi uses CEF 121.3.2 which includes Chromium 121.0.6167.75. 
+CEF4Delphi uses CEF 121.3.4 which includes Chromium 121.0.6167.139. 
 
 The CEF binaries used by CEF4Delphi are available for download at Spotify :
-* [Windows   32 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.2%2Bgce31761%2Bchromium-121.0.6167.75_windows32.tar.bz2)
-* [Windows   64 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.2%2Bgce31761%2Bchromium-121.0.6167.75_windows64.tar.bz2)
-* [Linux x86 64 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.2%2Bgce31761%2Bchromium-121.0.6167.75_linux64.tar.bz2)
-* [Linux ARM 32 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.2%2Bgce31761%2Bchromium-121.0.6167.75_linuxarm.tar.bz2)
-* [Linux ARM 64 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.2%2Bgce31761%2Bchromium-121.0.6167.75_linuxarm64.tar.bz2)
-* [MacOS x86 64 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.2%2Bgce31761%2Bchromium-121.0.6167.75_macosx64.tar.bz2)
+* [Windows   32 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.4%2Bg2af7b91%2Bchromium-121.0.6167.139_windows32.tar.bz2)
+* [Windows   64 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.4%2Bg2af7b91%2Bchromium-121.0.6167.139_windows64.tar.bz2)
+* [Linux x86 64 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.4%2Bg2af7b91%2Bchromium-121.0.6167.139_linux64.tar.bz2)
+* [Linux ARM 32 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.4%2Bg2af7b91%2Bchromium-121.0.6167.139_linuxarm.tar.bz2)
+* [Linux ARM 64 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.4%2Bg2af7b91%2Bchromium-121.0.6167.139_linuxarm64.tar.bz2)
+* [MacOS x86 64 bits](https://cef-builds.spotifycdn.com/cef_binary_121.3.4%2Bg2af7b91%2Bchromium-121.0.6167.139_macosx64.tar.bz2)
 
 CEF4Delphi was developed and tested on Delphi 12.0 and it has been tested in Delphi 7, Delphi XE, Delphi 10, Delphi 11 and Lazarus 3.0/FPC 3.2.2. CEF4Delphi includes VCL, FireMonkey (FMX) and Lazarus components.
 
diff --git a/packages/cef4delphi_lazarus.lpk b/packages/cef4delphi_lazarus.lpk
index 56f200e0..fde83b03 100644
--- a/packages/cef4delphi_lazarus.lpk
+++ b/packages/cef4delphi_lazarus.lpk
@@ -21,7 +21,7 @@
     </CompilerOptions>
     <Description Value="CEF4Delphi is an open source project created by Salvador Díaz Fau to embed Chromium-based browsers in applications made with Delphi or Lazarus/FPC."/>
     <License Value="MPL 1.1"/>
-    <Version Major="121" Minor="3" Release="2"/>
+    <Version Major="121" Minor="3" Release="4"/>
     <Files Count="215">
       <Item1>
         <Filename Value="..\source\uCEFAccessibilityHandler.pas"/>
diff --git a/source/uCEFVersion.inc b/source/uCEFVersion.inc
index 60f266c8..5072ebde 100644
--- a/source/uCEFVersion.inc
+++ b/source/uCEFVersion.inc
@@ -1,9 +1,9 @@
   CEF_SUPPORTED_VERSION_MAJOR   = 121;
   CEF_SUPPORTED_VERSION_MINOR   = 3;
-  CEF_SUPPORTED_VERSION_RELEASE = 2;
+  CEF_SUPPORTED_VERSION_RELEASE = 4;
   CEF_SUPPORTED_VERSION_BUILD   = 0;
 
   CEF_CHROMEELF_VERSION_MAJOR   = CEF_SUPPORTED_VERSION_MAJOR;
   CEF_CHROMEELF_VERSION_MINOR   = 0;
   CEF_CHROMEELF_VERSION_RELEASE = 6167;
-  CEF_CHROMEELF_VERSION_BUILD   = 75;
+  CEF_CHROMEELF_VERSION_BUILD   = 139;
diff --git a/update_CEF4Delphi.json b/update_CEF4Delphi.json
index 696118f5..787b0f9e 100644
--- a/update_CEF4Delphi.json
+++ b/update_CEF4Delphi.json
@@ -2,9 +2,9 @@
   "UpdateLazPackages" : [
     {
       "ForceNotify" : true,
-      "InternalVersion" : 558,
+      "InternalVersion" : 559,
       "Name" : "cef4delphi_lazarus.lpk",
-      "Version" : "121.3.2"
+      "Version" : "121.3.4"
     }
   ],
   "UpdatePackageData" : {