diff --git a/ports/colmap/fix-dependencies.patch b/ports/colmap/fix-dependencies.patch
deleted file mode 100644
index 5483b3087d..0000000000
--- a/ports/colmap/fix-dependencies.patch
+++ /dev/null
@@ -1,23 +0,0 @@
---- CMakeLists.txt.orig	2023-03-12 19:26:41.000000000 +0100
-+++ CMakeLists.txt	2023-03-27 11:27:43.840624719 +0200
-@@ -99,14 +99,17 @@
- 
- find_package(Eigen3 REQUIRED)
- 
--find_package(FreeImage REQUIRED)
-+find_package(FreeImage CONFIG REQUIRED)
-+set(FREEIMAGE_LIBRARIES freeimage::FreeImage)
- 
- find_package(FLANN REQUIRED)
- find_package(LZ4 REQUIRED)
- 
--find_package(Metis REQUIRED)
-+find_package(metis CONFIG REQUIRED)
-+set(METIS_LIBRARIES metis)
- 
--find_package(Glog REQUIRED)
-+find_package(glog CONFIG REQUIRED)
-+set(GLOG_LIBRARIES glog::glog)
- 
- find_package(SQLite3 REQUIRED)
- 
diff --git a/ports/colmap/portfile.cmake b/ports/colmap/portfile.cmake
index 399f54daa0..e54cbdafc7 100644
--- a/ports/colmap/portfile.cmake
+++ b/ports/colmap/portfile.cmake
@@ -1,13 +1,11 @@
-set(COLMAP_REF "30da037ce19bdceb6d239c45342fadb221bdabb2") # 3.8 with bugfixes
+set(COLMAP_REF "9c704e89ff0a80e797725e112011f9f69e5aa28f") # Oct 1, 2023
 
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO colmap/colmap
     REF "${COLMAP_REF}"
-    SHA512 2aad3c39efee025bebdbec41215f32968c3a63e160f9e7de0a6a2bf2d2c96bb1c20af0e10173d1d81ed4712e58fd97e7c8aabef8f9c47cc542d89b14c6ae420d
-    HEAD_REF dev
-    PATCHES
-        fix-dependencies.patch
+    SHA512 6ece735c403304c14887cd9b2b13a7e36bf07155fa959748c09d74854e0da6338766c11e6a371c26f983ccdb29f93b2600d685c907a5a137fe20d798b26805d8
+    HEAD_REF main
 )
 
 if (NOT TRIPLET_SYSTEM_ARCH STREQUAL "x64" AND ("cuda" IN_LIST FEATURES OR "cuda-redist" IN_LIST FEATURES))
@@ -74,7 +72,6 @@ file(REMOVE_RECURSE
     "${CURRENT_PACKAGES_DIR}/debug/include"
     "${CURRENT_PACKAGES_DIR}/debug/share"
     "${CURRENT_PACKAGES_DIR}/include/colmap/exe"
-    "${CURRENT_PACKAGES_DIR}/include/colmap/lib/Graclus/multilevelLib"
     "${CURRENT_PACKAGES_DIR}/include/colmap/tools"
     "${CURRENT_PACKAGES_DIR}/include/colmap/ui/media"
     "${CURRENT_PACKAGES_DIR}/include/colmap/ui/shaders"
diff --git a/ports/colmap/usage b/ports/colmap/usage
index b71316b3cf..75f933163f 100644
--- a/ports/colmap/usage
+++ b/ports/colmap/usage
@@ -7,4 +7,4 @@ For example, under Windows, execute COLMAP as:
 The package colmap provides CMake integration:
 
     find_package(COLMAP REQUIRED)
-    target_link_libraries(main ${COLMAP_LIBRARIES})
+    target_link_libraries(main colmap::colmap)
diff --git a/ports/colmap/vcpkg.json b/ports/colmap/vcpkg.json
index 1f54a343ed..8ce753f8bd 100644
--- a/ports/colmap/vcpkg.json
+++ b/ports/colmap/vcpkg.json
@@ -1,10 +1,10 @@
 {
   "name": "colmap",
-  "version-date": "2023-03-12",
-  "port-version": 1,
+  "version-date": "2023-10-01",
   "description": "COLMAP is a general-purpose Structure-from-Motion (SfM) and Multi-View Stereo (MVS) pipeline with a graphical and command-line interface. It offers a wide range of features for reconstruction of ordered and unordered image collections. The software is licensed under the new BSD license.",
   "homepage": "https://colmap.github.io/",
   "license": "BSD-3-Clause",
+  "supports": "(linux | (windows & !static) | osx) & (x86 | x64)",
   "dependencies": [
     "boost-filesystem",
     "boost-graph",
@@ -18,12 +18,7 @@
         "suitesparse"
       ]
     },
-    {
-      "name": "cgal",
-      "features": [
-        "qt"
-      ]
-    },
+    "cgal",
     "eigen3",
     "flann",
     "freeimage",
@@ -32,7 +27,6 @@
     "glog",
     "qt5-base",
     "sqlite3",
-    "suitesparse",
     {
       "name": "vcpkg-cmake",
       "host": true
@@ -56,7 +50,10 @@
       ]
     },
     "tests": {
-      "description": "Build all tests."
+      "description": "Build all tests.",
+      "dependencies": [
+        "gtest"
+      ]
     }
   }
 }
diff --git a/versions/baseline.json b/versions/baseline.json
index a771a1b695..090bbc11ad 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1709,8 +1709,8 @@
       "port-version": 10
     },
     "colmap": {
-      "baseline": "2023-03-12",
-      "port-version": 1
+      "baseline": "2023-10-01",
+      "port-version": 0
     },
     "color-console": {
       "baseline": "2022-03-20",
diff --git a/versions/c-/colmap.json b/versions/c-/colmap.json
index ea652317e7..46334e0dfd 100644
--- a/versions/c-/colmap.json
+++ b/versions/c-/colmap.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "c3482baa430e8733afa927fae4d3951e300a5c67",
+      "version-date": "2023-10-01",
+      "port-version": 0
+    },
     {
       "git-tree": "be5a8b2aa2354b0d3aec03253dcd13358ba950da",
       "version-date": "2023-03-12",