diff --git a/ports/icu/portfile.cmake b/ports/icu/portfile.cmake
index 355eac58dcf03a..c622dfd708d266 100644
--- a/ports/icu/portfile.cmake
+++ b/ports/icu/portfile.cmake
@@ -1,4 +1,3 @@
-vcpkg_minimum_required(VERSION 2022-10-12) # for ${VERSION}
 string(REGEX MATCH "^[0-9]*" ICU_VERSION_MAJOR "${VERSION}")
 string(REPLACE "." "_" VERSION2 "${VERSION}")
 string(REPLACE "." "-" VERSION3 "${VERSION}")
@@ -7,7 +6,7 @@ vcpkg_download_distfile(
     ARCHIVE
     URLS "https://github.com/unicode-org/icu/releases/download/release-${VERSION3}/icu4c-${VERSION2}-src.tgz"
     FILENAME "icu4c-${VERSION2}-src.tgz"
-    SHA512 848c341b37c0ff077e34a95d92c6200d5aaddd0ee5e06134101a74e04deb08256a5e817c8aefab020986abe810b7827dd7b2169a60dacd250c298870518dcae8
+    SHA512 e788e372716eecebc39b56bbc88f3a458e21c3ef20631c2a3d7ef05794a678fe8dad482a03a40fdb9717109a613978c7146682e98ee16fade5668d641d5c48f8
 )
 
 vcpkg_extract_source_archive(SOURCE_PATH
@@ -205,4 +204,4 @@ vcpkg_fixup_pkgconfig()
 vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/tools/icu/bin/icu-config" "${CURRENT_INSTALLED_DIR}" "`dirname $0`/../../../")
 
 file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
-file(INSTALL "${SOURCE_PATH}/LICENSE" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/ports/icu/vcpkg.json b/ports/icu/vcpkg.json
index 21ed9065f93f98..88a574b25a5f92 100644
--- a/ports/icu/vcpkg.json
+++ b/ports/icu/vcpkg.json
@@ -1,7 +1,6 @@
 {
   "name": "icu",
-  "version": "72.1",
-  "port-version": 5,
+  "version": "73.1",
   "description": "Mature and widely used Unicode and localization library.",
   "homepage": "https://icu.unicode.org/home",
   "license": "ICU",
diff --git a/versions/baseline.json b/versions/baseline.json
index 623f0f74bd019d..bb68af147695a8 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3205,8 +3205,8 @@
       "port-version": 0
     },
     "icu": {
-      "baseline": "72.1",
-      "port-version": 5
+      "baseline": "73.1",
+      "port-version": 0
     },
     "ideviceinstaller": {
       "baseline": "1.1.2.23",
diff --git a/versions/i-/icu.json b/versions/i-/icu.json
index 4e944556b86fb7..7cd3b924823572 100644
--- a/versions/i-/icu.json
+++ b/versions/i-/icu.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "acc3cf9137af5fc8fdd3e8607377026cf88f144d",
+      "version": "73.1",
+      "port-version": 0
+    },
     {
       "git-tree": "c1735b83e7793135a9d1e3689f7d36475f6d5ff7",
       "version": "72.1",