diff --git a/.azure-pipelines/vscode-java-test-ci.yml b/.azure-pipelines/vscode-java-test-ci.yml
index 911e2c3e..2dfe81ab 100644
--- a/.azure-pipelines/vscode-java-test-ci.yml
+++ b/.azure-pipelines/vscode-java-test-ci.yml
@@ -44,9 +44,9 @@ extends:
               - checkout: self
                 fetchTags: false
               - task: JavaToolInstaller@0
-                displayName: Use Java 17
+                displayName: Use Java 21
                 inputs:
-                  versionSpec: "17"
+                  versionSpec: "21"
                   jdkArchitectureOption: x64
                   jdkSourceOption: PreInstalled
               - task: Npm@1
diff --git a/.azure-pipelines/vscode-java-test-nightly.yml b/.azure-pipelines/vscode-java-test-nightly.yml
index 9a7be1ad..a13a5ba6 100644
--- a/.azure-pipelines/vscode-java-test-nightly.yml
+++ b/.azure-pipelines/vscode-java-test-nightly.yml
@@ -48,20 +48,20 @@ extends:
                   version: '20.x'
               # The image does not have jdk preinstalled, we need to download it first.
               - task: PowerShell@2
-                displayName: Download JDK 17
+                displayName: Download JDK 21
                 inputs:
                   targetType: 'inline'
                   script: |-
                     New-Item -ItemType Directory -Path "$env:AGENT_TEMPDIRECTORY\downloadjdk"
-                    Invoke-WebRequest -Uri "https://aka.ms/download-jdk/microsoft-jdk-17-windows-x64.zip" -OutFile "$env:AGENT_TEMPDIRECTORY\downloadjdk\microsoft-jdk-17-windows-x64.zip"
+                    Invoke-WebRequest -Uri "https://aka.ms/download-jdk/microsoft-jdk-21-windows-x64.zip" -OutFile "$env:AGENT_TEMPDIRECTORY\downloadjdk\microsoft-jdk-21-windows-x64.zip"
               - task: JavaToolInstaller@0
-                displayName: Use Java 17
+                displayName: Use Java 21
                 inputs:
-                  versionSpec: "17"
+                  versionSpec: "21"
                   jdkArchitectureOption: x64
                   jdkSourceOption: LocalDirectory
-                  jdkFile: $(Agent.TempDirectory)/downloadjdk/microsoft-jdk-17-windows-x64.zip
-                  jdkDestinationDirectory: $(Agent.ToolsDirectory)/ms-jdk17
+                  jdkFile: $(Agent.TempDirectory)/downloadjdk/microsoft-jdk-21-windows-x64.zip
+                  jdkDestinationDirectory: $(Agent.ToolsDirectory)/ms-jdk21
               - script: java --version
                 displayName: 'Check Java installation'
               - task: Npm@1
diff --git a/.azure-pipelines/vscode-java-test-rc.yml b/.azure-pipelines/vscode-java-test-rc.yml
index d6a85e8f..d8134c38 100644
--- a/.azure-pipelines/vscode-java-test-rc.yml
+++ b/.azure-pipelines/vscode-java-test-rc.yml
@@ -43,20 +43,20 @@ extends:
                   version: '20.x'
               # The image does not have jdk preinstalled, we need to download it first.
               - task: PowerShell@2
-                displayName: Download JDK 17
+                displayName: Download JDK 21
                 inputs:
                   targetType: 'inline'
                   script: |-
                     New-Item -ItemType Directory -Path "$env:AGENT_TEMPDIRECTORY\downloadjdk"
-                    Invoke-WebRequest -Uri "https://aka.ms/download-jdk/microsoft-jdk-17-windows-x64.zip" -OutFile "$env:AGENT_TEMPDIRECTORY\downloadjdk\microsoft-jdk-17-windows-x64.zip"
+                    Invoke-WebRequest -Uri "https://aka.ms/download-jdk/microsoft-jdk-21-windows-x64.zip" -OutFile "$env:AGENT_TEMPDIRECTORY\downloadjdk\microsoft-jdk-21-windows-x64.zip"
               - task: JavaToolInstaller@0
-                displayName: Use Java 17
+                displayName: Use Java 21
                 inputs:
-                  versionSpec: "17"
+                  versionSpec: "21"
                   jdkArchitectureOption: x64
                   jdkSourceOption: LocalDirectory
-                  jdkFile: $(Agent.TempDirectory)/downloadjdk/microsoft-jdk-17-windows-x64.zip
-                  jdkDestinationDirectory: $(Agent.ToolsDirectory)/ms-jdk17
+                  jdkFile: $(Agent.TempDirectory)/downloadjdk/microsoft-jdk-21-windows-x64.zip
+                  jdkDestinationDirectory: $(Agent.ToolsDirectory)/ms-jdk21
               - script: java --version
                 displayName: 'Check Java installation'
               - task: Npm@1
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 747da3b0..e8654be1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,7 +29,7 @@ jobs:
     - name: Setup Node.js environment
       uses: actions/setup-node@v2
       with:
-        node-version: 16
+        node-version: 20
         
     - name: Install Node.js modules
       run: npm install
@@ -65,7 +65,7 @@ jobs:
     - name: Setup Node.js environment
       uses: actions/setup-node@v2
       with:
-        node-version: 16
+        node-version: 20
         
     - name: Install Node.js modules
       run: npm install
@@ -101,7 +101,7 @@ jobs:
     - name: Setup Node.js environment
       uses: actions/setup-node@v2
       with:
-        node-version: 16
+        node-version: 20
 
     - name: Install Node.js modules
       run: npm install
diff --git a/test/index.ts b/test/index.ts
index ac7e2077..31d58994 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -12,15 +12,16 @@ async function main(): Promise<void> {
         const [cli, ...args] = resolveCliArgsFromVSCodeExecutablePath(vscodeExecutablePath);
 
         // Resolve redhat.java dependency
-        cp.spawnSync(cli, [...args, '--install-extension', 'redhat.java', '--pre-release'], {
+        const options: cp.SpawnSyncOptionsWithStringEncoding = {
             encoding: 'utf-8',
             stdio: 'inherit',
-        });
+        };
+        if (process.platform === 'win32') {
+            options.shell = true;
+        }
+        cp.spawnSync(cli, [...args, '--install-extension', 'redhat.java', '--pre-release'], options);
 
-        cp.spawnSync(cli, [...args, '--install-extension', 'vscjava.vscode-java-debug', '--pre-release'], {
-            encoding: 'utf-8',
-            stdio: 'inherit',
-        });
+        cp.spawnSync(cli, [...args, '--install-extension', 'vscjava.vscode-java-debug', '--pre-release'], options);
 
         // The folder containing the Extension Manifest package.json
         // Passed to `--extensionDevelopmentPath`