diff --git a/ports/yaml-cpp/1422.patch b/ports/yaml-cpp/1422.patch
new file mode 100644
index 0000000000..13b45a0590
--- /dev/null
+++ b/ports/yaml-cpp/1422.patch
@@ -0,0 +1,49 @@
+From 5bb17bd05bb9dcb845d3dde0526df07b2df50101 Mon Sep 17 00:00:00 2001
+From: Simon Gene Gottlieb <simon@gottliebtfreitag.de>
+Date: Mon, 16 Mar 2026 23:20:31 +0100
+Subject: [PATCH] fix: accepted by vs16.11
+
+---
+ src/contrib/dragonbox.h | 18 +++++++++++-------
+ 1 file changed, 11 insertions(+), 7 deletions(-)
+
+diff --git a/src/contrib/dragonbox.h b/src/contrib/dragonbox.h
+index de5a79f11..6160e5fcd 100644
+--- a/src/contrib/dragonbox.h
++++ b/src/contrib/dragonbox.h
+@@ -920,16 +920,20 @@ namespace jkj {
+ #endif
+                 }
+ 
+-                template <template <stdr::size_t> class Info, stdr::int_least32_t min_exponent,
+-                          stdr::int_least32_t max_exponent, stdr::size_t current_tier,
+-                          stdr::int_least32_t supported_min_exponent = Info<current_tier>::min_exponent,
+-                          stdr::int_least32_t supported_max_exponent = Info<current_tier>::max_exponent>
++                template <stdr::int_least32_t min_exponent,
++                          stdr::int_least32_t max_exponent,
++                          stdr::int_least32_t supported_min_exponent,
++                          stdr::int_least32_t supported_max_exponent
++                          >
+                 constexpr bool is_in_range(int) noexcept {
+                     return min_exponent >= supported_min_exponent &&
+                            max_exponent <= supported_max_exponent;
+                 }
+-                template <template <stdr::size_t> class Info, stdr::int_least32_t min_exponent,
+-                          stdr::int_least32_t max_exponent, stdr::size_t current_tier>
++                template <stdr::int_least32_t min_exponent,
++                          stdr::int_least32_t max_exponent,
++                          stdr::int_least32_t supported_min_exponent,
++                          stdr::int_least32_t supported_max_exponent
++                          >
+                 constexpr bool is_in_range(...) noexcept {
+                     // Supposed to be always false, but formally dependent on the template parameters.
+                     static_assert(min_exponent > max_exponent,
+@@ -939,7 +943,7 @@ namespace jkj {
+ 
+                 template <template <stdr::size_t> class Info, stdr::int_least32_t min_exponent,
+                           stdr::int_least32_t max_exponent, stdr::size_t current_tier = 0,
+-                          bool = is_in_range<Info, min_exponent, max_exponent, current_tier>(0)>
++                          bool = is_in_range<min_exponent, max_exponent, Info<current_tier>::min_exponent, Info<current_tier>::max_exponent>(0)>
+                 struct compute_impl;
+ 
+                 template <template <stdr::size_t> class Info, stdr::int_least32_t min_exponent,
diff --git a/ports/yaml-cpp/portfile.cmake b/ports/yaml-cpp/portfile.cmake
index 794c30112a..4243d400dd 100644
--- a/ports/yaml-cpp/portfile.cmake
+++ b/ports/yaml-cpp/portfile.cmake
@@ -4,6 +4,8 @@ vcpkg_from_github(
     REF "yaml-cpp-${VERSION}"
     SHA512 59f730e8c5744f1ccd542c1144db8d4d949012f72aab0b84ba4a818db25a0f847569b61238ab72ed5b0b2e9482b8d5007651b7185f4ca9e99045d5160259b565
     HEAD_REF master
+    PATCHES
+      1422.patch
 )
 
 string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" YAML_BUILD_SHARED_LIBS)
diff --git a/ports/yaml-cpp/vcpkg.json b/ports/yaml-cpp/vcpkg.json
index 158d8914a9..4df63a008b 100644
--- a/ports/yaml-cpp/vcpkg.json
+++ b/ports/yaml-cpp/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "yaml-cpp",
   "version-semver": "0.9.0",
+  "port-version": 1,
   "description": "yaml-cpp is a YAML parser and emitter in C++ matching the YAML 1.2 spec.",
   "homepage": "https://github.com/jbeder/yaml-cpp",
   "documentation": "https://codedocs.xyz/jbeder/yaml-cpp/index.html",
diff --git a/versions/baseline.json b/versions/baseline.json
index 0e66ec9890..967e241aa9 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -11082,7 +11082,7 @@
     },
     "yaml-cpp": {
       "baseline": "0.9.0",
-      "port-version": 0
+      "port-version": 1
     },
     "yandex-disk-cpp-client": {
       "baseline": "1.0.4",
diff --git a/versions/y-/yaml-cpp.json b/versions/y-/yaml-cpp.json
index 6d08041b0b..aac7ea1c79 100644
--- a/versions/y-/yaml-cpp.json
+++ b/versions/y-/yaml-cpp.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "6c75a47ce13be350ab8f3812efc7bd58dea0755f",
+      "version-semver": "0.9.0",
+      "port-version": 1
+    },
     {
       "git-tree": "b75fb2d4098c0f311abc661472de443ba38c6e6a",
       "version-semver": "0.9.0",