diff --git a/src/ClaudeCodeInstaller.Core/ClaudeCodeInstaller.Core.csproj b/src/ClaudeCodeInstaller.Core/ClaudeCodeInstaller.Core.csproj
index 72f481e..d2a5c8e 100644
--- a/src/ClaudeCodeInstaller.Core/ClaudeCodeInstaller.Core.csproj
+++ b/src/ClaudeCodeInstaller.Core/ClaudeCodeInstaller.Core.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
   </ItemGroup>
 
 </Project>
diff --git a/tests/ClaudeCodeInstaller.Tests/ClaudeCodeInstaller.Tests.csproj b/tests/ClaudeCodeInstaller.Tests/ClaudeCodeInstaller.Tests.csproj
index d85e47a..7652693 100644
--- a/tests/ClaudeCodeInstaller.Tests/ClaudeCodeInstaller.Tests.csproj
+++ b/tests/ClaudeCodeInstaller.Tests/ClaudeCodeInstaller.Tests.csproj
@@ -9,18 +9,18 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="xunit" Version="2.6.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="6.0.0">
+    <PackageReference Include="coverlet.collector" Version="6.0.4">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Moq" Version="4.20.70" />
-    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="FluentAssertions" Version="8.8.0" />
     <!-- Override vulnerable transitive dependencies with secure versions -->
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />