diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e9f801a..c22146eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 Change log
 ==========
 
+## v1.12.53 - November 17, 2022
+ * In BundleTransformer.TypeScript added support of the TypeScript version 4.9 RTM (please note: The 4.9 RTM release is also called '4.9.3')
+
 ## v1.12.52 - October 31, 2022
  * In BundleTransformer.TypeScript added support of the TypeScript version 4.8.4
  * In BundleTransformer.Autoprefixer added support of the Autoprefixer version 10.4.13.0
diff --git a/samples/BundleTransformer.Sample.AspNet45.Mvc4/Properties/AssemblyInfo.cs b/samples/BundleTransformer.Sample.AspNet45.Mvc4/Properties/AssemblyInfo.cs
index 0b3eb804..29033552 100644
--- a/samples/BundleTransformer.Sample.AspNet45.Mvc4/Properties/AssemblyInfo.cs
+++ b/samples/BundleTransformer.Sample.AspNet45.Mvc4/Properties/AssemblyInfo.cs
@@ -13,5 +13,5 @@
 [assembly: ComVisible(false)]
 [assembly: Guid("d858d771-b511-4517-bc9a-6feb6d0c4c3e")]
 
-[assembly: AssemblyVersion("1.12.52.0")]
-[assembly: AssemblyFileVersion("1.12.52.0")]
\ No newline at end of file
+[assembly: AssemblyVersion("1.12.53.0")]
+[assembly: AssemblyFileVersion("1.12.53.0")]
\ No newline at end of file
diff --git a/src/BundleTransformer.TypeScript/BundleTransformer.TypeScript.csproj b/src/BundleTransformer.TypeScript/BundleTransformer.TypeScript.csproj
index bc534c38..28d67c60 100644
--- a/src/BundleTransformer.TypeScript/BundleTransformer.TypeScript.csproj
+++ b/src/BundleTransformer.TypeScript/BundleTransformer.TypeScript.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Product>Bundle Transformer: TypeScript</Product>
-    <VersionPrefix>1.12.52</VersionPrefix>
+    <VersionPrefix>1.12.53</VersionPrefix>
     <TargetFramework>net40</TargetFramework>
     <OutputType>Library</OutputType>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/src/BundleTransformer.TypeScript/readme.txt b/src/BundleTransformer.TypeScript/readme.txt
index d8b44002..10cc20b2 100644
--- a/src/BundleTransformer.TypeScript/readme.txt
+++ b/src/BundleTransformer.TypeScript/readme.txt
@@ -1,7 +1,7 @@
 
 
    --------------------------------------------------------------------------------
-                README file for Bundle Transformer: TypeScript v1.12.52
+                README file for Bundle Transformer: TypeScript v1.12.53
 
    --------------------------------------------------------------------------------
 
diff --git a/test/BundleTransformer.Tests/BundleTransformer.Tests.csproj b/test/BundleTransformer.Tests/BundleTransformer.Tests.csproj
index 1674306e..f656e280 100644
--- a/test/BundleTransformer.Tests/BundleTransformer.Tests.csproj
+++ b/test/BundleTransformer.Tests/BundleTransformer.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Product>Bundle Transformer: Tests</Product>
-    <VersionPrefix>1.12.52</VersionPrefix>
+    <VersionPrefix>1.12.53</VersionPrefix>
     <TargetFramework>net452</TargetFramework>
     <OutputType>Library</OutputType>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>