diff --git a/ports/double-conversion/portfile.cmake b/ports/double-conversion/portfile.cmake
index 39f311e136f..94ff5e24c70 100644
--- a/ports/double-conversion/portfile.cmake
+++ b/ports/double-conversion/portfile.cmake
@@ -1,10 +1,8 @@
-vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
-
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO google/double-conversion
-    REF 9e0c13564e17362aad8a32c1344a2214f71952c6 #v3.2.0
-    SHA512 4579ae02196a2722cbce2888a404d026d62523256aa5f726c4b46aa25aa76d3caaf653848afb88939aac697049afc8968ddecda8a093520b392c9f963559a992
+    REF af09fd65fcf24eee95dc62813ba9123414635428 #v3.2.1
+    SHA512 721d736a2d065b8ff6058345afe6990ab568174e202361abc7ce36c16931c05128df4fd5034f98f114a7b01972eda3b98bfc209ef45394d0b5d4bbce8140b28a
     HEAD_REF master
 )
 
diff --git a/ports/double-conversion/vcpkg.json b/ports/double-conversion/vcpkg.json
index 604189dedf5..08df1f4129b 100644
--- a/ports/double-conversion/vcpkg.json
+++ b/ports/double-conversion/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "double-conversion",
-  "version": "3.2.0",
+  "version": "3.2.1",
   "description": "Efficient binary-decimal and decimal-binary conversion routines for IEEE doubles.",
   "homepage": "https://github.com/google/double-conversion",
   "dependencies": [
diff --git a/ports/itk/double-conversion.patch b/ports/itk/double-conversion.patch
index 636dd8c4c7d..a24b4be3cfd 100644
--- a/ports/itk/double-conversion.patch
+++ b/ports/itk/double-conversion.patch
@@ -2,13 +2,19 @@ diff --git a/Modules/ThirdParty/DoubleConversion/CMakeLists.txt b/Modules/ThirdP
 index 16c611fd3..13978724c 100644
 --- a/Modules/ThirdParty/DoubleConversion/CMakeLists.txt	
 +++ b/Modules/ThirdParty/DoubleConversion/CMakeLists.txt
-@@ -9,7 +9,10 @@ mark_as_advanced(ITK_USE_SYSTEM_DOUBLECONVERSION)
+@@ -9,7 +9,16 @@ mark_as_advanced(ITK_USE_SYSTEM_DOUBLECONVERSION)
  if(ITK_USE_SYSTEM_DOUBLECONVERSION)
    find_package(double-conversion REQUIRED)
    get_target_property(ITKDoubleConversion_INCLUDE_DIRS double-conversion::double-conversion INTERFACE_INCLUDE_DIRECTORIES)
 -  get_target_property(ITKDoubleConversion_LIBRARIES double-conversion::double-conversion LOCATION)
-+  get_target_property(ITKDoubleConversion_LIBRARY_RELEASE double-conversion::double-conversion LOCATION_RELEASE)
-+  get_target_property(ITKDoubleConversion_LIBRARY_DEBUG double-conversion::double-conversion LOCATION_DEBUG)
++  get_target_property(ITKDoubleConversion_LIBRARY_RELEASE double-conversion::double-conversion IMPORTED_IMPLIB_RELEASE)
++  if(NOT ITKDoubleConversion_LIBRARY_RELEASE)
++    get_target_property(ITKDoubleConversion_LIBRARY_RELEASE double-conversion::double-conversion IMPORTED_LOCATION_RELEASE)
++  endif()
++  get_target_property(ITKDoubleConversion_LIBRARY_DEBUG double-conversion::double-conversion IMPORTED_IMPLIB_DEBUG)
++  if(NOT ITKDoubleConversion_LIBRARY_DEBUG)
++    get_target_property(ITKDoubleConversion_LIBRARY_DEBUG double-conversion::double-conversion IMPORTED_LOCATION_DEBUG)
++  endif()
 +  include(SelectLibraryConfigurations)
 +  select_library_configurations(ITKDoubleConversion)
  else()
diff --git a/ports/itk/vcpkg.json b/ports/itk/vcpkg.json
index 569432d614a..d6fdd6a90d8 100644
--- a/ports/itk/vcpkg.json
+++ b/ports/itk/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "itk",
   "version": "5.2.1",
-  "port-version": 2,
+  "port-version": 3,
   "description": "Insight Segmentation and Registration Toolkit (ITK) is used for image processing and analysis.",
   "homepage": "https://github.com/InsightSoftwareConsortium/ITK",
   "license": "Apache-2.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index 4f853e9552d..585a1d20a70 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2001,7 +2001,7 @@
       "port-version": 0
     },
     "double-conversion": {
-      "baseline": "3.2.0",
+      "baseline": "3.2.1",
       "port-version": 0
     },
     "dpdk": {
@@ -3154,7 +3154,7 @@
     },
     "itk": {
       "baseline": "5.2.1",
-      "port-version": 2
+      "port-version": 3
     },
     "itpp": {
       "baseline": "4.3.1",
diff --git a/versions/d-/double-conversion.json b/versions/d-/double-conversion.json
index 133306d2c51..e6a5ccb2c1d 100644
--- a/versions/d-/double-conversion.json
+++ b/versions/d-/double-conversion.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "16b23d889f831b492aaa819cfde4d5d263be5bed",
+      "version": "3.2.1",
+      "port-version": 0
+    },
     {
       "git-tree": "b85d7877f614063165639f251200a65e8d5c9ba5",
       "version": "3.2.0",
diff --git a/versions/i-/itk.json b/versions/i-/itk.json
index 76bb7db4908..ecc09cae812 100644
--- a/versions/i-/itk.json
+++ b/versions/i-/itk.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "a3904d4a80201635e6687ff2b5ca5d677b559874",
+      "version": "5.2.1",
+      "port-version": 3
+    },
     {
       "git-tree": "e22b353e8f00bcdc12b78d414a712a3498a2d0d6",
       "version": "5.2.1",