diff --git a/utils/build.ps1 b/utils/build.ps1
index 7ceab4733b68..81cfae00d179 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -851,6 +851,7 @@ enum Project {
   Certificates
   System
   Subprocess
+  ToolsProtocols
   Build
   PackageManager
   PackageManagerRuntime
@@ -3446,6 +3447,21 @@ function Build-Subprocess([Hashtable] $Platform) {
     }
 }
 
+function Build-ToolsProtocols([Hashtable] $Platform) {
+  $SDKROOT = Get-SwiftSDK -OS $Platform.OS -Identifier $Platform.DefaultSDK
+  Build-CMakeProject `
+    -Src $SourceCache\swift-tools-protocols `
+    -Bin (Get-ProjectBinaryCache $Platform ToolsProtocols) `
+    -Platform $Platform `
+    -UseBuiltCompilers C,CXX,Swift `
+    -SwiftSDK $SDKROOT `
+    -BuildTargets default `
+    -Defines @{
+      BUILD_SHARED_LIBS = "NO";
+      CMAKE_STATIC_LIBRARY_PREFIX_Swift = "lib";
+    }
+}
+
 function Build-Build([Hashtable] $Platform) {
   # Use lld to workaround the ARM64 LNK1322 issue: https://github.com/swiftlang/swift/issues/79740
   # FIXME(hjyamauchi) Have a real fix
@@ -3466,6 +3482,7 @@ function Build-Build([Hashtable] $Platform) {
       SwiftDriver_DIR = (Get-ProjectCMakeModules $Platform Driver);
       SwiftSystem_DIR = (Get-ProjectCMakeModules $Platform System);
       TSC_DIR = (Get-ProjectCMakeModules $Platform ToolsSupportCore);
+      SwiftToolsProtocols_DIR = (Get-ProjectCMakeModules $Platform ToolsProtocols);
       SQLite3_INCLUDE_DIR = "$SourceCache\swift-toolchain-sqlite\Sources\CSQLite\include";
       SQLite3_LIBRARY = "$(Get-ProjectBinaryCache $Platform SQLite)\SQLite3.lib";
     } + $ArchSpecificOptions)
@@ -3659,6 +3676,7 @@ function Build-PackageManager([Hashtable] $Platform) {
       ArgumentParser_DIR = (Get-ProjectCMakeModules $Platform ArgumentParser);
       SwiftDriver_DIR = (Get-ProjectCMakeModules $Platform Driver);
       SwiftBuild_DIR = (Get-ProjectCMakeModules $Platform Build);
+      SwiftToolsProtocols_DIR = (Get-ProjectCMakeModules $Platform ToolsProtocols);
       SwiftCrypto_DIR = (Get-ProjectCMakeModules $Platform Crypto);
       SwiftCollections_DIR = (Get-ProjectCMakeModules $Platform Collections);
       SwiftASN1_DIR = (Get-ProjectCMakeModules $Platform ASN1);
@@ -3812,6 +3830,7 @@ function Build-SourceKitLSP([Hashtable] $Platform) {
       SwiftPM_DIR = (Get-ProjectCMakeModules $Platform PackageManager);
       LMDB_DIR = (Get-ProjectCMakeModules $Platform LMDB);
       IndexStoreDB_DIR = (Get-ProjectCMakeModules $Platform IndexStoreDB);
+      SwiftToolsProtocols_DIR = (Get-ProjectCMakeModules $Platform ToolsProtocols);
     }
 }
 
@@ -3870,6 +3889,14 @@ function Test-SourceKitLSP {
     "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform IndexStoreDB)\Sources\IndexStoreDB_Index\Index.lib",
     "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform IndexStoreDB)\Sources\IndexStoreDB_LLVMSupport\LLVMSupport.lib",
     "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform IndexStoreDB)\Sources\IndexStoreDB_Support\Support.lib",
+    # swift-tools-protocols
+    "-Xswiftc", "-I$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\swift",
+    "-Xlinker", "-L$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\lib",
+    "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\lib\libBuildServerProtocol.lib",
+    "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\lib\libLanguageServerProtocol.lib",
+    "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\lib\libLanguageServerProtocolTransport.lib",
+    "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\lib\libSKLogging.lib",
+    "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\lib\libToolsProtocolsSwiftExtensions.lib",
     # LMDB
     "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform LMDB)\lib\CLMDB.lib",
     # sourcekit-lsp
@@ -4331,6 +4358,7 @@ if (-not $SkipBuild) {
   Invoke-BuildStep Build-Certificates $HostPlatform
   Invoke-BuildStep Build-System $HostPlatform
   Invoke-BuildStep Build-Subprocess $HostPlatform
+  Invoke-BuildStep Build-ToolsProtocols $HostPlatform
   Invoke-BuildStep Build-Build $HostPlatform
   Invoke-BuildStep Build-PackageManager $HostPlatform
   Invoke-BuildStep Build-Markdown $HostPlatform
diff --git a/utils/update_checkout/update-checkout-config.json b/utils/update_checkout/update-checkout-config.json
index 59df15fb4bc5..05f8766eeba1 100644
--- a/utils/update_checkout/update-checkout-config.json
+++ b/utils/update_checkout/update-checkout-config.json
@@ -145,7 +145,7 @@
                 "llbuild": "main",
                 "swift-build": "main",
                 "swift-toolchain-sqlite": "1.0.7",
-                "swift-tools-protocols": "0.0.2",
+                "swift-tools-protocols": "0.0.4",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
                 "swift-argument-parser": "1.5.1",
@@ -513,7 +513,7 @@
                 "swift-nio-ssl": "2.15.0",
                 "swift-experimental-string-processing": "swift/release/6.0",
                 "wasi-libc": "wasi-sdk-20",
-                "wasmkit": "0.0.3",
+                "wasmkit": "0.0.4",
                 "curl": "curl-8_4_0",
                 "icu": "maint/maint-69",
                 "libxml2": "v2.11.5",
@@ -577,7 +577,7 @@
                 "llbuild": "main",
                 "swift-build": "main",
                 "swift-toolchain-sqlite": "1.0.7",
-                "swift-tools-protocols": "0.0.2",
+                "swift-tools-protocols": "0.0.4",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
                 "swift-argument-parser": "1.5.1",
@@ -638,7 +638,7 @@
                 "llbuild": "main",
                 "swift-build": "main",
                 "swift-toolchain-sqlite": "1.0.7",
-                "swift-tools-protocols": "0.0.2",
+                "swift-tools-protocols": "0.0.4",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
                 "swift-argument-parser": "1.5.1",