diff --git a/ports/icu/mingw-strict-ansi.diff b/ports/icu/mingw-strict-ansi.diff
deleted file mode 100644
index ea6de18bdd3db2..00000000000000
--- a/ports/icu/mingw-strict-ansi.diff
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/source/common/putil.cpp b/source/common/putil.cpp
-index ab25f3b..94782f8 100644
---- a/source/common/putil.cpp
-+++ b/source/common/putil.cpp
-@@ -48,7 +48,6 @@
- 
- #if U_PLATFORM == U_PF_MINGW && defined __STRICT_ANSI__
- /* tzset isn't defined in strict ANSI on MinGW. */
--#undef __STRICT_ANSI__
- #endif
- 
- /*
diff --git a/ports/icu/portfile.cmake b/ports/icu/portfile.cmake
index 26015d26585783..1c9dabc5d3bceb 100644
--- a/ports/icu/portfile.cmake
+++ b/ports/icu/portfile.cmake
@@ -21,7 +21,7 @@ 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 e6c7876c0f3d756f3a6969cad9a8909e535eeaac352f3a721338b9cbd56864bf7414469d29ec843462997815d2ca9d0dab06d38c37cdd4d8feb28ad04d8781b0
+    SHA512 b702ab62fb37a1574d5f4a768326d0f8fa30d9db5b015605b5f8215b5d8547f83d84880c586d3dcc7b6c76f8d47ef34e04b0f51baa55908f737024dd79a42a6c
 )
 
 vcpkg_extract_source_archive(SOURCE_PATH
@@ -36,7 +36,6 @@ vcpkg_extract_source_archive(SOURCE_PATH
         fix-win-build.patch
         vcpkg-cross-data.patch
         darwin-rpath.patch
-        mingw-strict-ansi.diff # backport of https://github.com/unicode-org/icu/pull/3003
 )
 
 vcpkg_find_acquire_program(PYTHON3)
diff --git a/ports/icu/vcpkg.json b/ports/icu/vcpkg.json
index 23c96f05e10194..59dd33833a8efa 100644
--- a/ports/icu/vcpkg.json
+++ b/ports/icu/vcpkg.json
@@ -1,7 +1,6 @@
 {
   "name": "icu",
-  "version": "74.2",
-  "port-version": 4,
+  "version": "76.1",
   "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 ad63e09010ee66..d475f596ade4f0 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3577,8 +3577,8 @@
       "port-version": 1
     },
     "icu": {
-      "baseline": "74.2",
-      "port-version": 4
+      "baseline": "76.1",
+      "port-version": 0
     },
     "ideviceinstaller": {
       "baseline": "2023-07-21",
diff --git a/versions/i-/icu.json b/versions/i-/icu.json
index 89761f81c1a49c..9333afc62afd9b 100644
--- a/versions/i-/icu.json
+++ b/versions/i-/icu.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "f6ffcfcaffbc8d60cba20f41930f893c36b547bd",
+      "version": "76.1",
+      "port-version": 0
+    },
     {
       "git-tree": "291bbc492b8f73dea0dbd12051e9b12b21aef900",
       "version": "74.2",