diff --git a/.changes/unreleased/Improvements-220.yaml b/.changes/unreleased/Improvements-220.yaml
new file mode 100644
index 00000000..64a284d4
--- /dev/null
+++ b/.changes/unreleased/Improvements-220.yaml
@@ -0,0 +1,6 @@
+component: sdk
+kind: Improvements
+body: '[BREAKING] Drop support for netcore3.1.'
+time: 2024-01-04T14:56:01.3017871Z
+custom:
+  PR: "220"
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 31f448e7..244576a2 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -48,7 +48,7 @@ jobs:
   integration-tests:
     strategy:
         matrix:
-          os: [ubuntu-latest, windows-latest, macos-11]
+          os: [ubuntu-latest, windows-latest, macos-latest]
           dotnet-version: [6.0.x, 8.0.x]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/sdk/Pulumi.Automation/Pulumi.Automation.csproj b/sdk/Pulumi.Automation/Pulumi.Automation.csproj
index b9b7ef0f..5b71769d 100644
--- a/sdk/Pulumi.Automation/Pulumi.Automation.csproj
+++ b/sdk/Pulumi.Automation/Pulumi.Automation.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>net6.0</TargetFrameworks>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>Pulumi</Authors>
     <Company>Pulumi Corp.</Company>
diff --git a/sdk/Pulumi.FSharp/Pulumi.FSharp.fsproj b/sdk/Pulumi.FSharp/Pulumi.FSharp.fsproj
index 9f405421..6f01dbcc 100644
--- a/sdk/Pulumi.FSharp/Pulumi.FSharp.fsproj
+++ b/sdk/Pulumi.FSharp/Pulumi.FSharp.fsproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>net6.0</TargetFrameworks>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>Pulumi</Authors>
     <Company>Pulumi Corp.</Company>
diff --git a/sdk/Pulumi/Pulumi.csproj b/sdk/Pulumi/Pulumi.csproj
index dcda1abd..436d4955 100644
--- a/sdk/Pulumi/Pulumi.csproj
+++ b/sdk/Pulumi/Pulumi.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>net6.0</TargetFrameworks>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>Pulumi</Authors>
     <Company>Pulumi Corp.</Company>
@@ -30,10 +30,10 @@
 
   <ItemGroup>
     <PackageReference Include="Ben.Demystifier" Version="0.4.1" />
-    <PackageReference Include="Grpc.Net.Client" Version="2.51.0" />
-    <PackageReference Include="Grpc.AspNetCore.Server" Version="2.51.0" />
-    <PackageReference Include="Grpc.AspNetCore.Server.Reflection" Version="2.51.0" />
-    <PackageReference Include="Grpc.Tools" Version="2.51.0">
+    <PackageReference Include="Grpc.Net.Client" Version="2.60.0" />
+    <PackageReference Include="Grpc.AspNetCore.Server" Version="2.60.0" />
+    <PackageReference Include="Grpc.AspNetCore.Server.Reflection" Version="2.60.0" />
+    <PackageReference Include="Grpc.Tools" Version="2.60.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
@@ -41,7 +41,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="3.1.16" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
     <PackageReference Include="OneOf" Version="3.0.216" />
     <PackageReference Include="Pulumi.Protobuf" Version="3.20.1" />