diff --git a/ports/ceres/portfile.cmake b/ports/ceres/portfile.cmake
index 8cb1812736..4249124a18 100644
--- a/ports/ceres/portfile.cmake
+++ b/ports/ceres/portfile.cmake
@@ -43,10 +43,17 @@ foreach (FEATURE ${FEATURE_OPTIONS})
     message(STATUS "${FEATURE}")
 endforeach()
 
+set(TARGET_OPTIONS )
+if(VCPKG_TARGET_IS_IOS)
+    # Note: CMake uses "OSX" not just for macOS, but also iOS, watchOS and tvOS.
+    list(APPEND TARGET_OPTIONS "-DIOS_DEPLOYMENT_TARGET=${VCPKG_OSX_DEPLOYMENT_TARGET}")
+endif()
+
 vcpkg_cmake_configure(
     SOURCE_PATH "${SOURCE_PATH}"
     OPTIONS
         ${FEATURE_OPTIONS}
+        ${TARGET_OPTIONS}
         -DEXPORT_BUILD_DIR=ON
         -DBUILD_BENCHMARKS=OFF
         -DBUILD_EXAMPLES=OFF
diff --git a/ports/ceres/vcpkg.json b/ports/ceres/vcpkg.json
index a37a30760f..a060f89b41 100644
--- a/ports/ceres/vcpkg.json
+++ b/ports/ceres/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "ceres",
   "version": "2.1.0",
-  "port-version": 2,
+  "port-version": 3,
   "description": "non-linear optimization package",
   "homepage": "https://github.com/ceres-solver/ceres-solver",
   "license": "Apache-2.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index 5bcd6ddf6f..b2a5c34562 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1382,7 +1382,7 @@
     },
     "ceres": {
       "baseline": "2.1.0",
-      "port-version": 2
+      "port-version": 3
     },
     "cfitsio": {
       "baseline": "3.49",
diff --git a/versions/c-/ceres.json b/versions/c-/ceres.json
index ded354d853..2d45c7b6a7 100644
--- a/versions/c-/ceres.json
+++ b/versions/c-/ceres.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "41580e5d78c0894588ee748ef09366ff9309aa0c",
+      "version": "2.1.0",
+      "port-version": 3
+    },
     {
       "git-tree": "4baf16216d2d50574964ba5795a501bb89193042",
       "version": "2.1.0",