diff --git a/src/DotPulsar/DotPulsar.csproj b/src/DotPulsar/DotPulsar.csproj
index 556ab03..4f606b0 100644
--- a/src/DotPulsar/DotPulsar.csproj
+++ b/src/DotPulsar/DotPulsar.csproj
@@ -23,9 +23,9 @@
 
   <ItemGroup>    
     <PackageReference Include="HashDepot" Version="2.0.3" />
-    <PackageReference Include="Microsoft.Extensions.ObjectPool" Version="6.0.5" />
+    <PackageReference Include="Microsoft.Extensions.ObjectPool" Version="6.0.6" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
-    <PackageReference Include="protobuf-net" Version="3.1.4" />
+    <PackageReference Include="protobuf-net" Version="3.1.17" />
     <PackageReference Include="System.IO.Pipelines" Version="6.0.3" />
   </ItemGroup>
 
diff --git a/tests/DotPulsar.Tests/DotPulsar.Tests.csproj b/tests/DotPulsar.Tests/DotPulsar.Tests.csproj
index 7ed0d84..3f1e3bc 100644
--- a/tests/DotPulsar.Tests/DotPulsar.Tests.csproj
+++ b/tests/DotPulsar.Tests/DotPulsar.Tests.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="DotNetZip" Version="1.16.0" />
-    <PackageReference Include="Ductus.FluentDocker" Version="2.10.51" />
+    <PackageReference Include="Ductus.FluentDocker" Version="2.10.55" />
     <PackageReference Include="FluentAssertions" Version="6.7.0" />
     <PackageReference Include="IronSnappy" Version="1.3.0" />
     <PackageReference Include="K4os.Compression.LZ4" Version="1.2.16" />