diff --git a/src/xAI.Protocol/xAI.Protocol.csproj b/src/xAI.Protocol/xAI.Protocol.csproj
index a56b4f8..87d729a 100644
--- a/src/xAI.Protocol/xAI.Protocol.csproj
+++ b/src/xAI.Protocol/xAI.Protocol.csproj
@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="NuGetizer" Version="1.4.7" PrivateAssets="all" />
-    <PackageReference Include="Google.Protobuf" Version="3.33.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.33.5" />
     <PackageReference Include="Grpc.Net.Client" Version="2.71.0" />
     <PackageReference Include="Grpc.Net.ClientFactory" Version="2.71.0" />
     <PackageReference Include="Grpc.Tools" Version="2.76.0" PrivateAssets="all" />
diff --git a/src/xAI/xAI.csproj b/src/xAI/xAI.csproj
index 105e3e9..21c8f4a 100644
--- a/src/xAI/xAI.csproj
+++ b/src/xAI/xAI.csproj
@@ -15,7 +15,7 @@
 
   <ItemGroup>
     <PackageReference Include="NuGetizer" Version="1.4.7" PrivateAssets="all" />
-    <PackageReference Include="Google.Protobuf" Version="3.33.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.33.5" />
     <PackageReference Include="Grpc.Net.Client" Version="2.76.0" />
     <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="10.3.0" />
     <PackageReference Include="System.ClientModel" Version="1.8.1" />