diff --git a/ports/dimcli/CONTROL b/ports/dimcli/CONTROL
index 96943086c6..b1526996e8 100644
--- a/ports/dimcli/CONTROL
+++ b/ports/dimcli/CONTROL
@@ -1,3 +1,3 @@
 Source: dimcli
-Version: 3.1.1-2
+Version: 4.0.1-1
 Description: C++ command line parser toolkit
diff --git a/ports/dimcli/fix-cmake.patch b/ports/dimcli/fix-cmake.patch
deleted file mode 100644
index 63795e0414..0000000000
--- a/ports/dimcli/fix-cmake.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 2f319ee..a38eca2 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -264,7 +264,7 @@ endfunction()
- # "-1.2.3" from the that vcpkg likes to add when building things.
- get_filename_component(prjname "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
- string(REGEX REPLACE "(-[\.0-9\-]*)$" "" prjname ${prjname})
--project(${prjname})
-+project(dimcli)
- string(TOUPPER "${prjname}" DEFINE_PREFIX)
- 
- get_property(parent DIRECTORY PROPERTY PARENT_DIRECTORY)
-@@ -323,9 +323,6 @@ set_property(GLOBAL PROPERTY USE_FOLDERS ON)
- set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER cmake)
- 
- set(CMAKE_CONFIGURATION_TYPES Debug Release)
--set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
--set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_SOURCE_DIR}/bin)
--set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_SOURCE_DIR}/bin)
- 
- if(MSVC)
-     # "/EHsc" - exceptions from c++ only (not from structured or "C")
diff --git a/ports/dimcli/portfile.cmake b/ports/dimcli/portfile.cmake
index f1cb2f4ec6..f66120c5ef 100644
--- a/ports/dimcli/portfile.cmake
+++ b/ports/dimcli/portfile.cmake
@@ -3,27 +3,21 @@ include(vcpkg_common_functions)
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO gknowles/dimcli
-    REF v3.1.1
-    SHA512 ed9aeedc59a9d48c59aa8dd1adb9cb110771c1eab0bbab8f8b518e12a45cdafb0ea94301d082ed3a033ca2428c19c8d990c76f666d1e9822cddf6e744f1db701
+    REF v4.0.1
+    SHA512 e36008eed42997c467ef7f4780cacd7eb8acebeb48be56445914c0ae125c5dbf29a172e1fb2f9490a6f21db8f6de5fa0420f499aff996ee148ec3a5bef0adba5
     HEAD_REF master
-    PATCHES
-        "${CMAKE_CURRENT_LIST_DIR}/fix-cmake.patch"
 )
 set(staticCrt OFF)
 if(VCPKG_CRT_LINKAGE STREQUAL "static")
     set(staticCrt ON)
 endif()
 
-if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
-    set(ENV{_CL_} "/DDIMCLI_LIB_DYN_LINK")
-endif()
-
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
     OPTIONS
         -DLINK_STATIC_RUNTIME:BOOL=${staticCrt}
         -DINSTALL_LIBS:BOOL=ON
-        -DRECURSIVE_GENERATE=ON
+        -DBUILD_PROJECT_NAME=dimcli
 )
 
 vcpkg_install_cmake()