diff --git a/.vscode/launch.json b/.vscode/launch.json
index 7591523d..9cda9402 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -6,7 +6,7 @@
       "type": "coreclr",
       "request": "launch",
       "preLaunchTask": "build",
-      "program": "${workspaceRoot}/src/ApplePayJS/bin/Debug/net8.0/JustEat.ApplePayJS.dll",
+      "program": "${workspaceRoot}/src/ApplePayJS/bin/Debug/net9.0/JustEat.ApplePayJS.dll",
       "args": [],
       "cwd": "${workspaceRoot}/src/ApplePayJS",
       "stopAtEntry": false,
diff --git a/Directory.Build.props b/Directory.Build.props
index eb2fc0cb..f2729fd0 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -15,7 +15,7 @@
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>$(PackageProjectUrl).git</RepositoryUrl>
     <TypeScriptToolsVersion>latest</TypeScriptToolsVersion>
-    <VersionPrefix>8.0.0</VersionPrefix>
+    <VersionPrefix>9.0.0</VersionPrefix>
     <VersionSuffix></VersionSuffix>
   </PropertyGroup>
 </Project>
diff --git a/global.json b/global.json
index 55839d71..7c03ae06 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.203",
+    "version": "9.0.100-preview.1.24101.2",
     "allowPrerelease": false
   }
 }
diff --git a/src/ApplePayJS/ApplePayJS.csproj b/src/ApplePayJS/ApplePayJS.csproj
index d6413004..f668e407 100644
--- a/src/ApplePayJS/ApplePayJS.csproj
+++ b/src/ApplePayJS/ApplePayJS.csproj
@@ -12,7 +12,7 @@
     <PackageTags>applepay</PackageTags>
     <PreserveCompilationContext>true</PreserveCompilationContext>
     <RootNamespace>JustEat.ApplePayJS</RootNamespace>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <TypeScriptToolsVersion>latest</TypeScriptToolsVersion>
     <UserSecretsId>JustEat.ApplePayJS</UserSecretsId>
   </PropertyGroup>
diff --git a/src/ApplePayJS/package-lock.json b/src/ApplePayJS/package-lock.json
index e47361a4..c320f908 100644
--- a/src/ApplePayJS/package-lock.json
+++ b/src/ApplePayJS/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "justeatapplepayjs",
-  "version": "8.0.0",
+  "version": "9.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
diff --git a/src/ApplePayJS/package.json b/src/ApplePayJS/package.json
index def338d4..d9bcdaac 100644
--- a/src/ApplePayJS/package.json
+++ b/src/ApplePayJS/package.json
@@ -1,7 +1,7 @@
 {
   "name": "justeatapplepayjs",
   "private": true,
-  "version": "8.0.0",
+  "version": "9.0.0",
   "devDependencies": {
     "@types/applepayjs": "3.0.0",
     "@types/jquery": "3.3.34",
diff --git a/tests/ApplePayJS.Tests/ApplePayJS.Tests.csproj b/tests/ApplePayJS.Tests/ApplePayJS.Tests.csproj
index fd02c861..cee0b961 100644
--- a/tests/ApplePayJS.Tests/ApplePayJS.Tests.csproj
+++ b/tests/ApplePayJS.Tests/ApplePayJS.Tests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
   <ItemGroup>
@@ -11,7 +11,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.3.3" />
     <PackageReference Include="JustEat.HttpClientInterception" Version="4.2.1" />
     <PackageReference Include="MartinCostello.Logging.XUnit" Version="0.3.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.3" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0-preview.1.24081.5" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="Microsoft.Playwright" Version="1.42.0" />
     <PackageReference Include="Shouldly" Version="4.2.1" />