diff --git a/ports/microsoft-signalr/find-msgpack.patch b/ports/microsoft-signalr/find-msgpack.patch
index 882c85bfc56..04a81275861 100644
--- a/ports/microsoft-signalr/find-msgpack.patch
+++ b/ports/microsoft-signalr/find-msgpack.patch
@@ -13,3 +13,17 @@ index 676cde2..4562873 100644
  endif()
  
  include_directories (include)
+diff --git a/src/signalrclient/microsoft-signalr-config.in.cmake b/src/signalrclient/microsoft-signalr-config.in.cmake
+index b28235b..09a7d56 100644
+--- a/src/signalrclient/microsoft-signalr-config.in.cmake
++++ b/src/signalrclient/microsoft-signalr-config.in.cmake
+@@ -7,7 +7,7 @@ endif()
+ find_dependency(jsoncpp)
+ 
+ if(@USE_MSGPACK@)
+-  find_dependency(msgpack)
++  find_dependency(msgpack-cxx CONFIG)
+ endif()
+ 
+ include("${CMAKE_CURRENT_LIST_DIR}/microsoft-signalr-targets.cmake")
+\ No newline at end of file
diff --git a/ports/microsoft-signalr/vcpkg.json b/ports/microsoft-signalr/vcpkg.json
index 4e0c4fca712..085cf5ddb4d 100644
--- a/ports/microsoft-signalr/vcpkg.json
+++ b/ports/microsoft-signalr/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "microsoft-signalr",
   "version": "0.1.0-alpha4",
-  "port-version": 4,
+  "port-version": 5,
   "description": "C++ Client for ASP.NET Core SignalR.",
   "homepage": "https://github.com/aspnet/SignalR-Client-Cpp",
   "dependencies": [
diff --git a/versions/baseline.json b/versions/baseline.json
index fc5f4ad38dd..2f154536e3e 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5174,7 +5174,7 @@
     },
     "microsoft-signalr": {
       "baseline": "0.1.0-alpha4",
-      "port-version": 4
+      "port-version": 5
     },
     "mikktspace": {
       "baseline": "2020-10-06",
diff --git a/versions/m-/microsoft-signalr.json b/versions/m-/microsoft-signalr.json
index d0210592911..6034938ec99 100644
--- a/versions/m-/microsoft-signalr.json
+++ b/versions/m-/microsoft-signalr.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "4d404283aa7fbee588db56cbe0a470d82c1f9258",
+      "version": "0.1.0-alpha4",
+      "port-version": 5
+    },
     {
       "git-tree": "1ea9d11c361ff46b14b9872df5b71b634ff1d709",
       "version": "0.1.0-alpha4",