diff --git a/src/Microsoft.PowerShell.MarkdownRender/Microsoft.PowerShell.MarkdownRender.csproj b/src/Microsoft.PowerShell.MarkdownRender/Microsoft.PowerShell.MarkdownRender.csproj
index 1481ead2b1..7cd97b8c4c 100644
--- a/src/Microsoft.PowerShell.MarkdownRender/Microsoft.PowerShell.MarkdownRender.csproj
+++ b/src/Microsoft.PowerShell.MarkdownRender/Microsoft.PowerShell.MarkdownRender.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
   <!-- Source: https://github.com/lunet-io/markdig/ -->
     <ProjectReference Include="../System.Management.Automation/System.Management.Automation.csproj" />
-    <PackageReference Include="Markdig.Signed" Version="0.15.4" />
+    <PackageReference Include="Markdig.Signed" Version="0.15.6" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Microsoft.PowerShell.SDK/Microsoft.PowerShell.SDK.csproj b/src/Microsoft.PowerShell.SDK/Microsoft.PowerShell.SDK.csproj
index ea3f7e187a..c46a9e8cf0 100644
--- a/src/Microsoft.PowerShell.SDK/Microsoft.PowerShell.SDK.csproj
+++ b/src/Microsoft.PowerShell.SDK/Microsoft.PowerShell.SDK.csproj
@@ -19,7 +19,7 @@
     <PackageReference Include="System.Data.SqlClient" Version="4.5.1" />
     <!-- the following package(s) are from https://github.com/dotnet/corefx -->
     <PackageReference Include="System.IO.Packaging" Version="4.5.0" />
-    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="4.5.1" />
+    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="4.5.2" />
     <PackageReference Include="System.Text.Encodings.Web" Version="4.5.0" />
     <PackageReference Include="System.Threading.AccessControl" Version="4.5.0" />
     <!-- the following package(s) are from https://github.com/dotnet/wcf -->
diff --git a/src/System.Management.Automation/System.Management.Automation.csproj b/src/System.Management.Automation/System.Management.Automation.csproj
index b77e34dbc4..dd0c44d957 100644
--- a/src/System.Management.Automation/System.Management.Automation.csproj
+++ b/src/System.Management.Automation/System.Management.Automation.csproj
@@ -17,9 +17,9 @@
     <PackageReference Include="System.IO.FileSystem.AccessControl" Version="4.5.0" />
     <PackageReference Include="System.Management" Version="4.5.0" />
     <PackageReference Include="System.Security.AccessControl" Version="4.5.0" />
-    <PackageReference Include="System.Security.Cryptography.Pkcs" Version="4.5.1" />
+    <PackageReference Include="System.Security.Cryptography.Pkcs" Version="4.5.2" />
     <PackageReference Include="System.Security.Permissions" Version="4.5.0" />
-    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.5.0" />
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.5.1" />
     <!-- the following package(s) are from the powershell org -->
     <PackageReference Include="Microsoft.Management.Infrastructure" Version="1.0.0" />
     <PackageReference Include="Microsoft.PowerShell.Native" Version="6.1.0" />
diff --git a/test/csharp/csharp.tests.csproj b/test/csharp/csharp.tests.csproj
index ba31c86b5f..54bfd6d31c 100644
--- a/test/csharp/csharp.tests.csproj
+++ b/test/csharp/csharp.tests.csproj
@@ -21,9 +21,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit" Version="2.4.0" />
-    <PackageReference Include="Xunit.SkippableFact" Version="1.3.6" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="Xunit.SkippableFact" Version="1.3.12" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
     <!-- DotNetCliToolReference element specifies the CLI tool that the user wants to restore in the context of the project. -->
     <DotNetCliToolReference Include="dotnet-xunit" Version="2.4.0-beta.1.build3958" />
   </ItemGroup>