diff --git a/README.md b/README.md
index 6bee953..46f8c9a 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ WebView4Delphi only supports Windows. If you need to embed a web browser in Linu
 
 WebView4Delphi uses the [Microsoft Edge WebView2 Runtime](https://docs.microsoft.com/en-us/microsoft-edge/webview2/) and [Microsoft.Web.WebView2 NuGet package version 1.0.2420.47](https://www.nuget.org/packages/Microsoft.Web.WebView2) to embed a web browser.
 
-WebView4Delphi was developed and tested on Delphi 12.0, Delphi XE2, Delphi 7 and Lazarus 3.2/FPC 3.2.2. 
+WebView4Delphi was developed and tested on Delphi 12.1, Delphi XE2, Delphi 7 and Lazarus 3.2/FPC 3.2.2. 
 Delphi 6 support needs to be tested and it requires installing the second Delphi 6 patch.
 
 WebView4Delphi includes VCL, FireMonkey (FMX) and Lazarus components.
diff --git a/update_WebView4Delphi.json b/update_WebView4Delphi.json
index 97bf507..1cc7ccb 100644
--- a/update_WebView4Delphi.json
+++ b/update_WebView4Delphi.json
@@ -2,7 +2,7 @@
   "UpdateLazPackages" : [
     {
       "ForceNotify" : true,
-      "InternalVersion" : 142,
+      "InternalVersion" : 143,
       "Name" : "webview4delphi.lpk",
       "Version" : "1.0.2420.47"
     }