diff --git a/ci_config.json b/ci_config.json
index 931b9bf7c..a68214d29 100644
--- a/ci_config.json
+++ b/ci_config.json
@@ -998,6 +998,17 @@
       "mpark-patterns:tests=enabled"
     ]
   },
+  "msft_proxy4": {
+    "_comment": "Fails in clang-cl: https://github.com/llvm/llvm-project/issues/143245",
+    "_comment2": "Reading symlinks when generating examples from doc requires administrator.",
+    "build_on": {
+      "windows": false
+    },
+    "build_options": [
+      "msft_proxy4:tests=enabled",
+      "msft_proxy4:benchmarks=enabled"
+    ]
+  },
   "msgpackc-cxx": {
     "alpine_packages": [
       "boost-dev"
diff --git a/releases.json b/releases.json
index 6ec8b7dec..3e62155db 100644
--- a/releases.json
+++ b/releases.json
@@ -3032,6 +3032,14 @@
       "2.5.0-1"
     ]
   },
+  "msft_proxy4": {
+    "dependency_names": [
+      "msft_proxy4"
+    ],
+    "versions": [
+      "4.0.1-1"
+    ]
+  },
   "msgpackc-cxx": {
     "dependency_names": [
       "msgpack-cxx"
diff --git a/subprojects/msft_proxy4.wrap b/subprojects/msft_proxy4.wrap
new file mode 100644
index 000000000..f990649bd
--- /dev/null
+++ b/subprojects/msft_proxy4.wrap
@@ -0,0 +1,8 @@
+[wrap-file]
+directory = proxy-886f11fa7245b92a831b7835ac46906fb70ff9f7
+source_url = https://github.com/microsoft/proxy/archive/886f11fa7245b92a831b7835ac46906fb70ff9f7/v4.0.1.tar.gz
+source_filename = proxy-886f11fa7245b92a831b7835ac46906fb70ff9f7.tar.gz
+source_hash = 0d1546ecc2baf9475deef4240f415c119975d8d650de59f32e6b43f99c94bd1c
+
+[provide]
+dependency_names = msft_proxy4