diff --git a/tools/DevicesApiTester/DeviceApiTester.csproj b/tools/DevicesApiTester/DeviceApiTester.csproj
index 32733153e7..90c725f251 100644
--- a/tools/DevicesApiTester/DeviceApiTester.csproj
+++ b/tools/DevicesApiTester/DeviceApiTester.csproj
@@ -15,7 +15,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CommandLineParser" Version="2.8.0" />
+    <PackageReference Include="CommandLineParser" Version="2.9.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="4.3.0" />
     <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj" />
   </ItemGroup>