diff --git a/.github/workflows/build-docfx.yml b/.github/workflows/build-docfx.yml
index ca1a6f0af12..2842578abc8 100644
--- a/.github/workflows/build-docfx.yml
+++ b/.github/workflows/build-docfx.yml
@@ -21,7 +21,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
 
     - name: Install dependencies
       run: dotnet restore
diff --git a/.github/workflows/build-map-renderer.yml b/.github/workflows/build-map-renderer.yml
index 398baddd843..57775a41cca 100644
--- a/.github/workflows/build-map-renderer.yml
+++ b/.github/workflows/build-map-renderer.yml
@@ -36,7 +36,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v3.2.0
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
 
       - name: Install dependencies
         run: dotnet restore
diff --git a/.github/workflows/build-test-debug.yml b/.github/workflows/build-test-debug.yml
index 8f50c621d82..f263c20027d 100644
--- a/.github/workflows/build-test-debug.yml
+++ b/.github/workflows/build-test-debug.yml
@@ -36,7 +36,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
 
     - name: Install dependencies
       run: dotnet restore
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 77cf56a5123..d035843a235 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -22,7 +22,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v3.2.0
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
 
     - name: Get Engine Tag
       run: |
diff --git a/.github/workflows/test-packaging.yml b/.github/workflows/test-packaging.yml
index bddacb9fa4e..05ca632de39 100644
--- a/.github/workflows/test-packaging.yml
+++ b/.github/workflows/test-packaging.yml
@@ -51,7 +51,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v3.2.0
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
 
       - name: Install dependencies
         run: dotnet restore
diff --git a/.github/workflows/yaml-linter.yml b/.github/workflows/yaml-linter.yml
index 0b6e934cb59..1053bb4a3aa 100644
--- a/.github/workflows/yaml-linter.yml
+++ b/.github/workflows/yaml-linter.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v3.2.0
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
       - name: Install dependencies
         run: dotnet restore
       - name: Build
diff --git a/Content.PatreonParser/Content.PatreonParser.csproj b/Content.PatreonParser/Content.PatreonParser.csproj
index ec259e6f1dc..1724ec0cea2 100644
--- a/Content.PatreonParser/Content.PatreonParser.csproj
+++ b/Content.PatreonParser/Content.PatreonParser.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
       <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
diff --git a/RobustToolbox b/RobustToolbox
index 5e97db435c0..e4190f4f290 160000
--- a/RobustToolbox
+++ b/RobustToolbox
@@ -1 +1 @@
-Subproject commit 5e97db435c05b4c188184ef90e5d77b0500403d0
+Subproject commit e4190f4f2900634e332208a77cd6df9cef75c29a
diff --git a/global.json b/global.json
index 391ba3c2a30..cdbb589edad 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.100",
+    "version": "9.0.100",
     "rollForward": "latestFeature"
   }
 }