diff --git a/packages/sdk/csharp/packages/admin/EdgeBase.Admin.csproj b/packages/sdk/csharp/packages/admin/EdgeBase.Admin.csproj
index 3c5ac28e..db93d7e2 100644
--- a/packages/sdk/csharp/packages/admin/EdgeBase.Admin.csproj
+++ b/packages/sdk/csharp/packages/admin/EdgeBase.Admin.csproj
@@ -14,7 +14,7 @@
     <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="10.0.9" />
   </ItemGroup>
   <ItemGroup>
     <None Include="README.md" Pack="true" PackagePath="" />
diff --git a/packages/sdk/csharp/packages/admin/tests/EdgeBase.Admin.Tests.csproj b/packages/sdk/csharp/packages/admin/tests/EdgeBase.Admin.Tests.csproj
index cf62a2bd..5eb30bd9 100644
--- a/packages/sdk/csharp/packages/admin/tests/EdgeBase.Admin.Tests.csproj
+++ b/packages/sdk/csharp/packages/admin/tests/EdgeBase.Admin.Tests.csproj
@@ -9,9 +9,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit" Version="2.6.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
   </ItemGroup>
 
   <!-- SDK source는 ProjectReference로 참조 -->
diff --git a/packages/sdk/csharp/packages/core/EdgeBase.Core.csproj b/packages/sdk/csharp/packages/core/EdgeBase.Core.csproj
index d8aabd33..9d10fcd4 100644
--- a/packages/sdk/csharp/packages/core/EdgeBase.Core.csproj
+++ b/packages/sdk/csharp/packages/core/EdgeBase.Core.csproj
@@ -14,7 +14,7 @@
     <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="10.0.9" />
   </ItemGroup>
   <ItemGroup>
     <None Include="README.md" Pack="true" PackagePath="" />
diff --git a/packages/sdk/csharp/packages/unity/EdgeBase.Unity.csproj b/packages/sdk/csharp/packages/unity/EdgeBase.Unity.csproj
index e8830af5..bb86a780 100644
--- a/packages/sdk/csharp/packages/unity/EdgeBase.Unity.csproj
+++ b/packages/sdk/csharp/packages/unity/EdgeBase.Unity.csproj
@@ -15,7 +15,7 @@
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="../core/EdgeBase.Core.csproj" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="10.0.9" />
   </ItemGroup>
   <ItemGroup>
     <None Include="README.md" Pack="true" PackagePath="" />
diff --git a/packages/sdk/csharp/packages/unity/tests/EdgeBase.Unity.Tests.csproj b/packages/sdk/csharp/packages/unity/tests/EdgeBase.Unity.Tests.csproj
index 458844e8..b297f343 100644
--- a/packages/sdk/csharp/packages/unity/tests/EdgeBase.Unity.Tests.csproj
+++ b/packages/sdk/csharp/packages/unity/tests/EdgeBase.Unity.Tests.csproj
@@ -9,9 +9,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit" Version="2.6.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
   </ItemGroup>
 
   <!-- SDK source는 ProjectReference로 참조 -->
diff --git a/packages/sdk/csharp/src/EdgeBase.csproj b/packages/sdk/csharp/src/EdgeBase.csproj
index b0273fb5..0e039587 100644
--- a/packages/sdk/csharp/src/EdgeBase.csproj
+++ b/packages/sdk/csharp/src/EdgeBase.csproj
@@ -10,6 +10,6 @@
   <ItemGroup>
     <ProjectReference Include="../packages/core/EdgeBase.Core.csproj" />
     <ProjectReference Include="../packages/unity/EdgeBase.Unity.csproj" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="10.0.9" />
   </ItemGroup>
 </Project>
diff --git a/packages/sdk/csharp/tests/EdgeBase.Tests.csproj b/packages/sdk/csharp/tests/EdgeBase.Tests.csproj
index 3abe24b3..05ee9487 100644
--- a/packages/sdk/csharp/tests/EdgeBase.Tests.csproj
+++ b/packages/sdk/csharp/tests/EdgeBase.Tests.csproj
@@ -9,9 +9,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="xunit" Version="2.6.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
   </ItemGroup>
 
   <!-- SDK source는 ProjectReference로 참조 -->