diff --git a/Directory.Packages.props b/Directory.Packages.props
index b46a4076b1..95bc6fa8f1 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -24,6 +24,8 @@
     <PackageVersion Include="LazyCache" Version="2.4.0" />
     <PackageVersion Include="Mages" Version="2.0.2" />
     <PackageVersion Include="Markdig.Signed" Version="0.34.0" />
+    <!-- Including MessagePack to force version, since it's used by StreamJsonRpc but contains vulnerabilities. After StreamJsonRpc updates the version of MessagePack, we can upgrade StreamJsonRpc instead. -->
+    <PackageVersion Include="MessagePack" Version="2.5.187" />
     <PackageVersion Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Data.Sqlite" Version="8.0.7" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
@@ -57,7 +59,7 @@
     <PackageVersion Include="ReverseMarkdown" Version="4.1.0" />
     <PackageVersion Include="ScipBe.Common.Office.OneNote" Version="3.0.1" />
     <PackageVersion Include="SharpCompress" Version="0.37.2" />
-    <PackageVersion Include="StreamJsonRpc" Version="2.14.24" />
+    <PackageVersion Include="StreamJsonRpc" Version="2.19.27" />
     <PackageVersion Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />
     <!-- Package System.CodeDom added as a hack for being able to exclude the runtime assets so they don't conflict with 8.0.1. This is a dependency of System.Management but the 8.0.1 version wasn't published to nuget. -->
     <PackageVersion Include="System.CodeDom" Version="8.0.0" />
diff --git a/NOTICE.md b/NOTICE.md
index 515759722b..f90b982505 100644
--- a/NOTICE.md
+++ b/NOTICE.md
@@ -1317,6 +1317,7 @@ EXHIBIT A -Mozilla Public License.
 - LazyCache 2.4.0
 - Mages 2.0.2
 - Markdig.Signed 0.34.0
+- MessagePack 2.5.187
 - Microsoft.CodeAnalysis.NetAnalyzers 8.0.0
 - Microsoft.Data.Sqlite 8.0.7
 - Microsoft.Extensions.DependencyInjection 8.0.0
@@ -1342,7 +1343,7 @@ EXHIBIT A -Mozilla Public License.
 - ReverseMarkdown 4.1.0
 - ScipBe.Common.Office.OneNote 3.0.1
 - SharpCompress 0.37.2
-- StreamJsonRpc 2.14.24
+- StreamJsonRpc 2.19.27
 - StyleCop.Analyzers 1.2.0-beta.556
 - System.CodeDom 8.0.0
 - System.CommandLine 2.0.0-beta4.22272.1
diff --git a/src/modules/AdvancedPaste/AdvancedPaste/AdvancedPaste.csproj b/src/modules/AdvancedPaste/AdvancedPaste/AdvancedPaste.csproj
index ca34cf03ff..c8ea965a4d 100644
--- a/src/modules/AdvancedPaste/AdvancedPaste/AdvancedPaste.csproj
+++ b/src/modules/AdvancedPaste/AdvancedPaste/AdvancedPaste.csproj
@@ -54,12 +54,15 @@
     <PackageReference Include="CommunityToolkit.WinUI.Converters" />
     <PackageReference Include="CommunityToolkit.WinUI.Extensions" />
     <PackageReference Include="CommunityToolkit.WinUI.Controls.Primitives" />
+    <!-- Including MessagePack to force version, since it's used by StreamJsonRpc but contains vulnerabilities. After StreamJsonRpc updates the version of MessagePack, we can upgrade StreamJsonRpc instead. -->
+    <PackageReference Include="MessagePack" />
     <PackageReference Include="Microsoft.Extensions.Hosting" />
     <PackageReference Include="Microsoft.WindowsAppSDK" />
+    <!-- HACK: To align Microsoft.Bcl.AsyncInterfaces.dll version with Mouse Without Borders version. -->
+    <PackageReference Include="Microsoft.Windows.Compatibility" />
     <PackageReference Include="Microsoft.Windows.CsWin32" />
     <PackageReference Include="Microsoft.Windows.SDK.BuildTools" />
     <PackageReference Include="ReverseMarkdown" />
-    <!-- HACK: To align Microsoft.Bcl.AsyncInterfaces.dll version with PowerToys.Settings.csproj. -->
     <PackageReference Include="StreamJsonRpc" />
     <PackageReference Include="WinUIEx" />
     <!-- HACK: To make sure the version pulled in by Microsoft.Extensions.Hosting is current. -->
diff --git a/src/modules/MouseWithoutBorders/App/Helper/MouseWithoutBordersHelper.csproj b/src/modules/MouseWithoutBorders/App/Helper/MouseWithoutBordersHelper.csproj
index 9a4e8acb82..705340f39f 100644
--- a/src/modules/MouseWithoutBorders/App/Helper/MouseWithoutBordersHelper.csproj
+++ b/src/modules/MouseWithoutBorders/App/Helper/MouseWithoutBordersHelper.csproj
@@ -57,6 +57,8 @@
     </None>
   </ItemGroup>
   <ItemGroup>
+    <!-- Including MessagePack to force version, since it's used by StreamJsonRpc but contains vulnerabilities. After StreamJsonRpc updates the version of MessagePack, we can upgrade StreamJsonRpc instead. -->
+    <PackageReference Include="MessagePack" />
     <PackageReference Include="Microsoft.Windows.Compatibility" />
     <PackageReference Include="StreamJsonRpc" />
     <PackageReference Include="System.Data.SqlClient" /> <!-- It's a dependency of Microsoft.Windows.Compatibility. We're adding it here to force it to the version specified in Directory.Packages.props -->
diff --git a/src/modules/MouseWithoutBorders/App/MouseWithoutBorders.csproj b/src/modules/MouseWithoutBorders/App/MouseWithoutBorders.csproj
index 5e90e1c6e8..8bb21597d5 100644
--- a/src/modules/MouseWithoutBorders/App/MouseWithoutBorders.csproj
+++ b/src/modules/MouseWithoutBorders/App/MouseWithoutBorders.csproj
@@ -208,6 +208,8 @@
     <Content Include="Logo.ico" />
   </ItemGroup>
   <ItemGroup>
+    <!-- Including MessagePack to force version, since it's used by StreamJsonRpc but contains vulnerabilities. After StreamJsonRpc updates the version of MessagePack, we can upgrade StreamJsonRpc instead. -->
+    <PackageReference Include="MessagePack" />
     <PackageReference Include="Microsoft.Windows.Compatibility" />
     <PackageReference Include="StreamJsonRpc" />
     <PackageReference Include="System.Data.SqlClient" /> <!-- It's a dependency of Microsoft.Windows.Compatibility. We're adding it here to force it to the version specified in Directory.Packages.props -->
diff --git a/src/modules/MouseWithoutBorders/App/Service/MouseWithoutBordersService.csproj b/src/modules/MouseWithoutBorders/App/Service/MouseWithoutBordersService.csproj
index 63a0f43823..3925634618 100644
--- a/src/modules/MouseWithoutBorders/App/Service/MouseWithoutBordersService.csproj
+++ b/src/modules/MouseWithoutBorders/App/Service/MouseWithoutBordersService.csproj
@@ -61,6 +61,8 @@
     <None Remove="Service\**" />
   </ItemGroup>
   <ItemGroup>
+    <!-- Including MessagePack to force version, since it's used by StreamJsonRpc but contains vulnerabilities. After StreamJsonRpc updates the version of MessagePack, we can upgrade StreamJsonRpc instead. -->
+    <PackageReference Include="MessagePack" />
     <PackageReference Include="Microsoft.Windows.Compatibility" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
     <PackageReference Include="Microsoft.Extensions.Hosting" />
diff --git a/src/settings-ui/Settings.UI/PowerToys.Settings.csproj b/src/settings-ui/Settings.UI/PowerToys.Settings.csproj
index 179fd04286..d5f72b1c43 100644
--- a/src/settings-ui/Settings.UI/PowerToys.Settings.csproj
+++ b/src/settings-ui/Settings.UI/PowerToys.Settings.csproj
@@ -56,6 +56,8 @@
     <PackageReference Include="CommunityToolkit.WinUI.Converters" />
     <PackageReference Include="CommunityToolkit.WinUI.UI.Controls.Markdown" />
     <PackageReference Include="WinUIEx" />
+    <!-- Including MessagePack to force version, since it's used by StreamJsonRpc but contains vulnerabilities. After StreamJsonRpc updates the version of MessagePack, we can upgrade StreamJsonRpc instead. -->
+    <PackageReference Include="MessagePack" />
     <PackageReference Include="Microsoft.WindowsAppSDK" />
     <PackageReference Include="Microsoft.Windows.SDK.BuildTools" />
     <PackageReference Include="Microsoft.Xaml.Behaviors.WinUI.Managed" />