diff --git a/ports/immer/fix-ExportConfigVersion.patch b/ports/immer/fix-ExportConfigVersion.patch
new file mode 100644
index 0000000000..39869fa95a
--- /dev/null
+++ b/ports/immer/fix-ExportConfigVersion.patch
@@ -0,0 +1,19 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a8cfbd3..84c89a0 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -96,6 +96,14 @@ target_include_directories(immer INTERFACE
+   $<BUILD_INTERFACE:${immer_SOURCE_DIR}/>
+   $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+ install(TARGETS immer EXPORT ImmerConfig)
++
++include(CMakePackageConfigHelpers)
++write_basic_package_version_file(
++  "${CMAKE_CURRENT_BINARY_DIR}/ImmerConfigVersion.cmake"
++  VERSION ${PROJECT_VERSION}
++  COMPATIBILITY SameMajorVersion )
++
++install(FILES "${CMAKE_CURRENT_BINARY_DIR}/ImmerConfigVersion.cmake" DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Immer" )
+ install(EXPORT ImmerConfig DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Immer")
+ install(DIRECTORY immer DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
+ 
diff --git a/ports/immer/portfile.cmake b/ports/immer/portfile.cmake
index ada3cced68..50abde6309 100644
--- a/ports/immer/portfile.cmake
+++ b/ports/immer/portfile.cmake
@@ -1,12 +1,13 @@
 # header-only library
-vcpkg_minimum_required(VERSION 2022-10-12) # for ${VERSION}
 
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO arximboldi/immer
-    REF v${VERSION}
+    REF "v${VERSION}"
     SHA512 fc34242d36efdb9faa1f22ccc7591c1ace34c2b383e1266a290346baedc154e3d4a682d6dd5094460b75e123347194710072e996d19165cc5fd23c922fdfc4e8
     HEAD_REF master
+    PATCHES
+        fix-ExportConfigVersion.patch # Upstream PR https://github.com/arximboldi/immer/pull/250 has been merged, this patch need to be removed in next update.
 )
 
 vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
diff --git a/ports/immer/vcpkg.json b/ports/immer/vcpkg.json
index 09c5823eda..742a5e188b 100644
--- a/ports/immer/vcpkg.json
+++ b/ports/immer/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "immer",
   "version": "0.8.0",
+  "port-version": 1,
   "description": "Postmodern immutable and persistent data structures for C++",
   "homepage": "https://sinusoid.es/immer/",
   "license": "BSL-1.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index d499140aa4..e4ed65753e 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3142,7 +3142,7 @@
     },
     "immer": {
       "baseline": "0.8.0",
-      "port-version": 0
+      "port-version": 1
     },
     "implot": {
       "baseline": "0.14",
diff --git a/versions/i-/immer.json b/versions/i-/immer.json
index b34aa96d33..4874b89253 100644
--- a/versions/i-/immer.json
+++ b/versions/i-/immer.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "e133c376f7ef7d4e7c8b78245b70231e8df5b601",
+      "version": "0.8.0",
+      "port-version": 1
+    },
     {
       "git-tree": "9e996304abce149829a2d0db1156bcf34c9e51c8",
       "version": "0.8.0",