diff --git a/src/Microsoft.SqlTools.CoreServices/Microsoft.SqlTools.CoreServices.csproj b/src/Microsoft.SqlTools.CoreServices/Microsoft.SqlTools.CoreServices.csproj
index 8bb7f78e..3e3b5315 100644
--- a/src/Microsoft.SqlTools.CoreServices/Microsoft.SqlTools.CoreServices.csproj
+++ b/src/Microsoft.SqlTools.CoreServices/Microsoft.SqlTools.CoreServices.csproj
@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="System.Data.SqlClient" Version="4.6.0-preview3-27014-02" />
     <PackageReference Include="Microsoft.SqlServer.SqlManagementObjects" Version="$(SmoPackageVersion)" />
-    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.6.0-preview3-26501-04" />
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.5.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.0.4" />
     <PackageReference Include="System.Runtime.Loader" Version="4.3.0" />
     <PackageReference Include="System.Composition" Version="1.1.0" />
diff --git a/src/Microsoft.SqlTools.ServiceLayer/Microsoft.SqlTools.ServiceLayer.csproj b/src/Microsoft.SqlTools.ServiceLayer/Microsoft.SqlTools.ServiceLayer.csproj
index 7ea2aae8..c2a34d84 100644
--- a/src/Microsoft.SqlTools.ServiceLayer/Microsoft.SqlTools.ServiceLayer.csproj
+++ b/src/Microsoft.SqlTools.ServiceLayer/Microsoft.SqlTools.ServiceLayer.csproj
@@ -24,7 +24,7 @@
     <PackageReference Include="System.Data.SqlClient" Version="4.6.0-preview3-27014-02" />
     <PackageReference Include="Microsoft.SqlServer.SqlManagementObjects" Version="$(SmoPackageVersion)" />
     <PackageReference Include="Microsoft.SqlServer.DacFx" Version="150.4240.1-preview" />
-    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.6.0-preview3-26501-04" />
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="**\*.cs" />
diff --git a/test/Microsoft.SqlTools.ServiceLayer.UnitTests/Microsoft.SqlTools.ServiceLayer.UnitTests.csproj b/test/Microsoft.SqlTools.ServiceLayer.UnitTests/Microsoft.SqlTools.ServiceLayer.UnitTests.csproj
index 0a1def63..e53bf60d 100644
--- a/test/Microsoft.SqlTools.ServiceLayer.UnitTests/Microsoft.SqlTools.ServiceLayer.UnitTests.csproj
+++ b/test/Microsoft.SqlTools.ServiceLayer.UnitTests/Microsoft.SqlTools.ServiceLayer.UnitTests.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="xunit" Version="2.2.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
     <PackageReference Include="System.Data.SqlClient" Version="4.6.0-preview3-27014-02" />
-    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.6.0-preview3-26501-04" />
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.5.0" />
     <PackageReference Include="Microsoft.SqlServer.SqlManagementObjects" Version="$(SmoPackageVersion)" />
   </ItemGroup>
   <ItemGroup>