diff --git a/ports/proj/fix-proj4-targets-cmake.patch b/ports/proj/fix-proj4-targets-cmake.patch
index 8f5f625d96..f7833fc29a 100644
--- a/ports/proj/fix-proj4-targets-cmake.patch
+++ b/ports/proj/fix-proj4-targets-cmake.patch
@@ -34,14 +34,6 @@ index 7d736d129..2be8f8be9 100644
    else()
      message(SEND_ERROR
        "libtiff dependency not found! Use ENABLE_TIFF=OFF to force it off")
-@@ -171,6 +188,7 @@ if(ENABLE_CURL)
-   find_package(CURL REQUIRED)
-   if(CURL_FOUND)
-     set(CURL_ENABLED TRUE)
-+    set(CURL_LIBRARY CURL::libcurl)
-   else()
-     message(SEND_ERROR "curl dependency not found!")
-   endif()
 diff --git a/cmake/project-config.cmake.in b/cmake/project-config.cmake.in
 index 7d5579ae..0cf96252 100644
 --- a/cmake/project-config.cmake.in
diff --git a/ports/proj/portfile.cmake b/ports/proj/portfile.cmake
index 36c60274b8..f8d624dbb3 100644
--- a/ports/proj/portfile.cmake
+++ b/ports/proj/portfile.cmake
@@ -1,13 +1,13 @@
+vcpkg_minimum_required(VERSION 2022-10-12) # for ${VERSION}
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO OSGeo/PROJ
-    REF 9.1.0
-    SHA512 0a0c887e14dc4dddc8ea3d1de01683cd81d9d6cc5788601aa224e1fecf46af10fb289e7260547431b35e4b771b020feccf04101135b86c6343221c8f446a766b
+    REF "${VERSION}"
+    SHA512 bdc3cba27f330829b30290f563cb1cded75d3861909399177334a354662f4cb54e05baef40b8d267978c746f41543c3de1c119ca08919c87fd9460506c5c566e
     HEAD_REF master
     PATCHES
         fix-win-output-name.patch
         fix-proj4-targets-cmake.patch
-        tools-cmake.patch
         remove-doc.patch
 )
 
@@ -32,9 +32,10 @@ vcpkg_cmake_configure(
     OPTIONS
         ${FEATURE_OPTIONS}
         -DNLOHMANN_JSON=external
-        -DPROJ_DATA_SUBDIR=share/${PORT}/data
         -DBUILD_TESTING=OFF
         "-DEXE_SQLITE3=${EXE_SQLITE3}"
+    OPTIONS_DEBUG
+        -DBUILD_APPS=OFF
 )
 
 vcpkg_cmake_install()
diff --git a/ports/proj/tools-cmake.patch b/ports/proj/tools-cmake.patch
deleted file mode 100644
index cc76be215d..0000000000
--- a/ports/proj/tools-cmake.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff --git a/src/apps/CMakeLists.txt b/src/apps/CMakeLists.txt
-index 534bc311b..f9fb0f1bb 100644
---- a/src/apps/CMakeLists.txt
-+++ b/src/apps/CMakeLists.txt
-@@ -83,10 +83,3 @@ if(BUILD_PROJSYNC)
- 
- # global configurations for all apps
- 
--if(MSVC OR CMAKE_CONFIGURATION_TYPES)
--  if(BIN_TARGETS)
--    # Add _d suffix for debug versions of the apps
--    set_target_properties(${BIN_TARGETS} PROPERTIES
--      DEBUG_POSTFIX ${CMAKE_DEBUG_POSTFIX})
--  endif()
--endif()
diff --git a/ports/proj/usage b/ports/proj/usage
index a1236dde61..59044f7d29 100644
--- a/ports/proj/usage
+++ b/ports/proj/usage
@@ -1,4 +1,4 @@
-The package proj provides CMake targets:
+proj provides CMake targets:
 
     find_package(PROJ CONFIG REQUIRED)
     target_link_libraries(main PRIVATE PROJ::proj)
diff --git a/ports/proj/vcpkg.json b/ports/proj/vcpkg.json
index 77f6414d39..b6fca927e4 100644
--- a/ports/proj/vcpkg.json
+++ b/ports/proj/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "proj",
-  "version": "9.1.0",
+  "version": "9.1.1",
   "description": "PROJ library for cartographic projections",
   "homepage": "https://proj.org/",
   "license": "MIT",
diff --git a/versions/baseline.json b/versions/baseline.json
index 7b15d04098..0999f4d7f7 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5953,7 +5953,7 @@
       "port-version": 1
     },
     "proj": {
-      "baseline": "9.1.0",
+      "baseline": "9.1.1",
       "port-version": 0
     },
     "proj4": {
diff --git a/versions/p-/proj.json b/versions/p-/proj.json
index 7ca1c2bbf8..6be203042e 100644
--- a/versions/p-/proj.json
+++ b/versions/p-/proj.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "5ae85e19024d23a2ae8c22c16bab44f2fc236a4a",
+      "version": "9.1.1",
+      "port-version": 0
+    },
     {
       "git-tree": "7c8c2418c56d4f5b5dfd6e1d8e95b008f03ea63f",
       "version": "9.1.0",