diff --git a/Google.Api.Generator.Tests/ProtoTests/Basic.v1/Testing.Basic.V1/Testing.Basic.V1.csproj b/Google.Api.Generator.Tests/ProtoTests/Basic.v1/Testing.Basic.V1/Testing.Basic.V1.csproj
index d44b8bf6..dc848fdb 100644
--- a/Google.Api.Generator.Tests/ProtoTests/Basic.v1/Testing.Basic.V1/Testing.Basic.V1.csproj
+++ b/Google.Api.Generator.Tests/ProtoTests/Basic.v1/Testing.Basic.V1/Testing.Basic.V1.csproj
@@ -40,7 +40,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Api.Gax.Grpc" Version="[4.0.0, 5.0.0)" />
-    <PackageReference Include="Grpc.Core" Version="[2.41.0, 3.0.0)" Condition="'$(TargetFramework)'=='net462'" />
+    <PackageReference Include="Grpc.Core" Version="[2.46.3, 3.0.0)" Condition="'$(TargetFramework)'=='net462'" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2" PrivateAssets="All" />
   </ItemGroup>
 
diff --git a/Google.Api.Generator.Tests/ProtoTests/Lro/Testing.Lro/Testing.Lro.csproj b/Google.Api.Generator.Tests/ProtoTests/Lro/Testing.Lro/Testing.Lro.csproj
index 295f2981..b5bf5aa0 100644
--- a/Google.Api.Generator.Tests/ProtoTests/Lro/Testing.Lro/Testing.Lro.csproj
+++ b/Google.Api.Generator.Tests/ProtoTests/Lro/Testing.Lro/Testing.Lro.csproj
@@ -40,7 +40,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Api.Gax.Grpc" Version="[4.0.0, 5.0.0)" />
-    <PackageReference Include="Grpc.Core" Version="[2.41.0, 3.0.0)" Condition="'$(TargetFramework)'=='net462'" />
+    <PackageReference Include="Grpc.Core" Version="[2.46.3, 3.0.0)" Condition="'$(TargetFramework)'=='net462'" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2" PrivateAssets="All" />
     <PackageReference Include="Google.LongRunning" Version="[3.0.0, 4.0.0)" />
   </ItemGroup>
diff --git a/Google.Api.Generator.Tests/ProtoTests/Mixins/Testing.Mixins/Testing.Mixins.csproj b/Google.Api.Generator.Tests/ProtoTests/Mixins/Testing.Mixins/Testing.Mixins.csproj
index a6816d14..49e4d23b 100644
--- a/Google.Api.Generator.Tests/ProtoTests/Mixins/Testing.Mixins/Testing.Mixins.csproj
+++ b/Google.Api.Generator.Tests/ProtoTests/Mixins/Testing.Mixins/Testing.Mixins.csproj
@@ -40,7 +40,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Api.Gax.Grpc" Version="[4.0.0, 5.0.0)" />
-    <PackageReference Include="Grpc.Core" Version="[2.41.0, 3.0.0)" Condition="'$(TargetFramework)'=='net462'" />
+    <PackageReference Include="Grpc.Core" Version="[2.46.3, 3.0.0)" Condition="'$(TargetFramework)'=='net462'" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2" PrivateAssets="All" />
     <PackageReference Include="Google.Cloud.Location" Version="[2.0.0, 3.0.0)" />
     <PackageReference Include="Google.Cloud.Iam.V1" Version="[3.0.0, 4.0.0)" />
diff --git a/Google.Api.Generator.Tests/ProtoTests/Showcase/Google.Showcase.V1Beta1/Google.Showcase.V1Beta1.csproj b/Google.Api.Generator.Tests/ProtoTests/Showcase/Google.Showcase.V1Beta1/Google.Showcase.V1Beta1.csproj
index e25c330d..f8dc9d5a 100644
--- a/Google.Api.Generator.Tests/ProtoTests/Showcase/Google.Showcase.V1Beta1/Google.Showcase.V1Beta1.csproj
+++ b/Google.Api.Generator.Tests/ProtoTests/Showcase/Google.Showcase.V1Beta1/Google.Showcase.V1Beta1.csproj
@@ -40,7 +40,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Api.Gax.Grpc" Version="[4.0.0, 5.0.0)" />
-    <PackageReference Include="Grpc.Core" Version="[2.41.0, 3.0.0)" Condition="'$(TargetFramework)'=='net462'" />
+    <PackageReference Include="Grpc.Core" Version="[2.46.3, 3.0.0)" Condition="'$(TargetFramework)'=='net462'" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2" PrivateAssets="All" />
     <PackageReference Include="Google.LongRunning" Version="[3.0.0, 4.0.0)" />
   </ItemGroup>
diff --git a/Google.Api.Generator/Generation/CsProjGenerator.cs b/Google.Api.Generator/Generation/CsProjGenerator.cs
index b164fda8..9a05bd1c 100644
--- a/Google.Api.Generator/Generation/CsProjGenerator.cs
+++ b/Google.Api.Generator/Generation/CsProjGenerator.cs
@@ -23,7 +23,7 @@ namespace Google.Api.Generator.Generation
     internal static class CsProjGenerator
     {
         private const string GaxGrpcVersion = "[4.0.0, 5.0.0)";
-        private const string GrpcCoreVersion = "[2.41.0, 3.0.0)";
+        private const string GrpcCoreVersion = "[2.46.3, 3.0.0)";
         private const string LroVersion = "[3.0.0, 4.0.0)";
         private const string IamVersion = "[3.0.0, 4.0.0)";
         private const string LocationVersion = "[2.0.0, 3.0.0)";