diff --git a/Directory.Packages.props b/Directory.Packages.props
index c77dc6e..2b7d257 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -24,7 +24,7 @@
     <PackageVersion Include="Testcontainers" Version="4.13.0" />
 
     <!-- gRPC -->
-    <PackageVersion Include="Google.Protobuf" Version="3.35.1" />
+    <PackageVersion Include="Google.Protobuf" Version="3.36.1" />
     <PackageVersion Include="Grpc.Core.Api" Version="2.80.0" />
     <PackageVersion Include="Grpc.Net.Client" Version="2.80.0" />
     <PackageVersion Include="Grpc.Tools" Version="2.83.0" />
diff --git a/samples/Elsie.Sample.Grpc/Elsie.Sample.Grpc.csproj b/samples/Elsie.Sample.Grpc/Elsie.Sample.Grpc.csproj
index dbe1a09..cbc78cf 100644
--- a/samples/Elsie.Sample.Grpc/Elsie.Sample.Grpc.csproj
+++ b/samples/Elsie.Sample.Grpc/Elsie.Sample.Grpc.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <ProjectReference Include="../../src/Elsie/Elsie.csproj" />
     <ProjectReference Include="../../src/Elsie.Grpc/Elsie.Grpc.csproj" />
-    <PackageReference Include="Google.Protobuf" Version="3.35.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.36.1" />
     <PackageReference Include="Grpc.Core.Api" Version="2.80.0" />
     <PackageReference Include="Grpc.Tools" Version="2.83.0" PrivateAssets="all" />
   </ItemGroup>