diff --git a/csharp/test/Apache.Arrow.Tests/Apache.Arrow.Tests.csproj b/csharp/test/Apache.Arrow.Tests/Apache.Arrow.Tests.csproj
index 9c51f979aeadd..2c08e109dbfe5 100644
--- a/csharp/test/Apache.Arrow.Tests/Apache.Arrow.Tests.csproj
+++ b/csharp/test/Apache.Arrow.Tests/Apache.Arrow.Tests.csproj
@@ -23,7 +23,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
     <PackageReference Include="xunit.skippablefact" Version="1.5.23" />
-    <PackageReference Include="pythonnet" Version="3.0.4" />
+    <PackageReference Include="pythonnet" Version="3.0.5" />
   </ItemGroup>
 
   <ItemGroup>