diff --git a/ports/libunibreak/libunibreak-config.cmake.in b/ports/libunibreak/libunibreak-config.cmake.in
index 3c217318c0f..0a4746360e3 100644
--- a/ports/libunibreak/libunibreak-config.cmake.in
+++ b/ports/libunibreak/libunibreak-config.cmake.in
@@ -6,6 +6,14 @@ if(TARGET libunibreak)
   return()
 endif()
 
+# Compute the installation prefix relative to this file.
+get_filename_component(_INSTALL_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
+get_filename_component(_INSTALL_DIR "${_INSTALL_DIR}" PATH)
+get_filename_component(_INSTALL_DIR "${_INSTALL_DIR}" PATH)
+if(_INSTALL_DIR STREQUAL "/")
+  set(_INSTALL_DIR "")
+endif()
+
 add_library(unibreak INTERFACE IMPORTED GLOBAL)
 add_library(libunibreak::libunibreak ALIAS unibreak)
 
diff --git a/ports/libunibreak/vcpkg.json b/ports/libunibreak/vcpkg.json
index 7e2a8dd328f..3c4a6f438eb 100644
--- a/ports/libunibreak/vcpkg.json
+++ b/ports/libunibreak/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "libunibreak",
   "version": "5.0",
+  "port-version": 1,
   "description": "an implementation of the line breaking and word breaking algorithms as described in [Unicode Standard Annex 14] 1 and [Unicode Standard Annex 29] 2. Check the project's [home page] 3 for up-to-date information.",
   "homepage": "https://github.com/adah1972/libunibreak",
   "license": "zlib-acknowledgement",
diff --git a/versions/baseline.json b/versions/baseline.json
index 27f14e50ba0..30bc6b0055a 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -4114,7 +4114,7 @@
     },
     "libunibreak": {
       "baseline": "5.0",
-      "port-version": 0
+      "port-version": 1
     },
     "libunifex": {
       "baseline": "2021-12-07",
diff --git a/versions/l-/libunibreak.json b/versions/l-/libunibreak.json
index 9250855dc31..364e54e6a65 100644
--- a/versions/l-/libunibreak.json
+++ b/versions/l-/libunibreak.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "724f588851a5f81f6ddd8eb1fc01a45bedfa5517",
+      "version": "5.0",
+      "port-version": 1
+    },
     {
       "git-tree": "ab89a270477d6d97e3d70c4503ee573f1ca8e539",
       "version": "5.0",