diff --git a/CHANGELOG.md b/CHANGELOG.md
index 338ce81..8e420bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 Change log
 ==========
 
+## v3.0.4 - October 9, 2019
+ * Slightly improved performance
+ * In JsRT modes the `CollectGarbage` method is called synchronously again
+ * Enabled a SourceLink in NuGet package
+
 ## v3.0.3 - April 28, 2019
  * Fixed a error that occurred during the recursive execution and evaluation of JS files (while without correct handling of host exception)
 
diff --git a/src/MsieJavaScriptEngine/MsieJavaScriptEngine.csproj b/src/MsieJavaScriptEngine/MsieJavaScriptEngine.csproj
index 691e0d8..5e3cdec 100644
--- a/src/MsieJavaScriptEngine/MsieJavaScriptEngine.csproj
+++ b/src/MsieJavaScriptEngine/MsieJavaScriptEngine.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Product>MSIE JavaScript Engine for .NET</Product>
-		<VersionPrefix>3.0.3</VersionPrefix>
+		<VersionPrefix>3.0.4</VersionPrefix>
 		<TargetFrameworks>net40-client;net45;netstandard1.3;netstandard2.0</TargetFrameworks>
 		<NetStandardImplicitPackageVersion Condition=" '$(TargetFramework)' == 'netstandard1.3' ">1.6.0</NetStandardImplicitPackageVersion>
 		<LangVersion>7.3</LangVersion>
diff --git a/src/MsieJavaScriptEngine/readme.txt b/src/MsieJavaScriptEngine/readme.txt
index 5862351..52d53da 100644
--- a/src/MsieJavaScriptEngine/readme.txt
+++ b/src/MsieJavaScriptEngine/readme.txt
@@ -1,7 +1,7 @@
 
 
    --------------------------------------------------------------------------------
-                README file for MSIE JavaScript Engine for .NET v3.0.3
+                README file for MSIE JavaScript Engine for .NET v3.0.4
 
    --------------------------------------------------------------------------------
 
diff --git a/test/MsieJavaScriptEngine.Benchmarks/MsieJavaScriptEngine.Benchmarks.csproj b/test/MsieJavaScriptEngine.Benchmarks/MsieJavaScriptEngine.Benchmarks.csproj
index b5f6910..fd390f5 100644
--- a/test/MsieJavaScriptEngine.Benchmarks/MsieJavaScriptEngine.Benchmarks.csproj
+++ b/test/MsieJavaScriptEngine.Benchmarks/MsieJavaScriptEngine.Benchmarks.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Product>MSIE JavaScript Engine: Benchmarks</Product>
-		<VersionPrefix>3.0.3</VersionPrefix>
+		<VersionPrefix>3.0.4</VersionPrefix>
 		<TargetFrameworks>net461;netcoreapp2.1;netcoreapp3.0</TargetFrameworks>
 		<OutputType>Exe</OutputType>
 		<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/test/MsieJavaScriptEngine.Test.Auto/MsieJavaScriptEngine.Test.Auto.csproj b/test/MsieJavaScriptEngine.Test.Auto/MsieJavaScriptEngine.Test.Auto.csproj
index e72d189..151f9f5 100644
--- a/test/MsieJavaScriptEngine.Test.Auto/MsieJavaScriptEngine.Test.Auto.csproj
+++ b/test/MsieJavaScriptEngine.Test.Auto/MsieJavaScriptEngine.Test.Auto.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Product>MSIE JavaScript Engine: Tests for Auto Mode</Product>
-		<VersionPrefix>3.0.3</VersionPrefix>
+		<VersionPrefix>3.0.4</VersionPrefix>
 		<TargetFrameworks>net40;net451;netcoreapp1.0;netcoreapp2.1;netcoreapp3.0</TargetFrameworks>
 		<RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">1.0.16</RuntimeFrameworkVersion>
 		<OutputType>Library</OutputType>
diff --git a/test/MsieJavaScriptEngine.Test.ChakraActiveScript/MsieJavaScriptEngine.Test.ChakraActiveScript.csproj b/test/MsieJavaScriptEngine.Test.ChakraActiveScript/MsieJavaScriptEngine.Test.ChakraActiveScript.csproj
index 8984e6e..a5efb7d 100644
--- a/test/MsieJavaScriptEngine.Test.ChakraActiveScript/MsieJavaScriptEngine.Test.ChakraActiveScript.csproj
+++ b/test/MsieJavaScriptEngine.Test.ChakraActiveScript/MsieJavaScriptEngine.Test.ChakraActiveScript.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Product>MSIE JavaScript Engine: Tests for Chakra ActiveScript Mode</Product>
-		<VersionPrefix>3.0.3</VersionPrefix>
+		<VersionPrefix>3.0.4</VersionPrefix>
 		<TargetFrameworks>net40;net451</TargetFrameworks>
 		<OutputType>Library</OutputType>
 		<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/test/MsieJavaScriptEngine.Test.ChakraEdgeJsRt/MsieJavaScriptEngine.Test.ChakraEdgeJsRt.csproj b/test/MsieJavaScriptEngine.Test.ChakraEdgeJsRt/MsieJavaScriptEngine.Test.ChakraEdgeJsRt.csproj
index 4d6eb32..4571cd9 100644
--- a/test/MsieJavaScriptEngine.Test.ChakraEdgeJsRt/MsieJavaScriptEngine.Test.ChakraEdgeJsRt.csproj
+++ b/test/MsieJavaScriptEngine.Test.ChakraEdgeJsRt/MsieJavaScriptEngine.Test.ChakraEdgeJsRt.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Product>MSIE JavaScript Engine: Tests for Chakra Edge JsRT Mode</Product>
-		<VersionPrefix>3.0.3</VersionPrefix>
+		<VersionPrefix>3.0.4</VersionPrefix>
 		<TargetFrameworks>net40;net451;netcoreapp1.0;netcoreapp2.1;netcoreapp3.0</TargetFrameworks>
 		<RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">1.0.16</RuntimeFrameworkVersion>
 		<OutputType>Library</OutputType>
diff --git a/test/MsieJavaScriptEngine.Test.ChakraIeJsRt/MsieJavaScriptEngine.Test.ChakraIeJsRt.csproj b/test/MsieJavaScriptEngine.Test.ChakraIeJsRt/MsieJavaScriptEngine.Test.ChakraIeJsRt.csproj
index cf28ba8..4542640 100644
--- a/test/MsieJavaScriptEngine.Test.ChakraIeJsRt/MsieJavaScriptEngine.Test.ChakraIeJsRt.csproj
+++ b/test/MsieJavaScriptEngine.Test.ChakraIeJsRt/MsieJavaScriptEngine.Test.ChakraIeJsRt.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Product>MSIE JavaScript Engine: Tests for Chakra IE JsRT Mode</Product>
-		<VersionPrefix>3.0.3</VersionPrefix>
+		<VersionPrefix>3.0.4</VersionPrefix>
 		<TargetFrameworks>net40;net451;netcoreapp1.0;netcoreapp2.1;netcoreapp3.0</TargetFrameworks>
 		<RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">1.0.16</RuntimeFrameworkVersion>
 		<OutputType>Library</OutputType>
diff --git a/test/MsieJavaScriptEngine.Test.Classic/MsieJavaScriptEngine.Test.Classic.csproj b/test/MsieJavaScriptEngine.Test.Classic/MsieJavaScriptEngine.Test.Classic.csproj
index 4a0a3fd..9e3be05 100644
--- a/test/MsieJavaScriptEngine.Test.Classic/MsieJavaScriptEngine.Test.Classic.csproj
+++ b/test/MsieJavaScriptEngine.Test.Classic/MsieJavaScriptEngine.Test.Classic.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Product>MSIE JavaScript Engine: Tests for Classic Mode</Product>
-		<VersionPrefix>3.0.3</VersionPrefix>
+		<VersionPrefix>3.0.4</VersionPrefix>
 		<TargetFrameworks>net40;net451</TargetFrameworks>
 		<OutputType>Library</OutputType>
 		<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
diff --git a/test/MsieJavaScriptEngine.Test.Common/MsieJavaScriptEngine.Test.Common.csproj b/test/MsieJavaScriptEngine.Test.Common/MsieJavaScriptEngine.Test.Common.csproj
index 63fbbf3..c8fb940 100644
--- a/test/MsieJavaScriptEngine.Test.Common/MsieJavaScriptEngine.Test.Common.csproj
+++ b/test/MsieJavaScriptEngine.Test.Common/MsieJavaScriptEngine.Test.Common.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Product>MSIE JavaScript Engine: Common Tests</Product>
-		<VersionPrefix>3.0.3</VersionPrefix>
+		<VersionPrefix>3.0.4</VersionPrefix>
 		<TargetFrameworks>net40;net451;netcoreapp1.0;netcoreapp2.1;netcoreapp3.0</TargetFrameworks>
 		<RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">1.0.16</RuntimeFrameworkVersion>
 		<OutputType>Library</OutputType>