diff --git a/ports/py-lxml/portfile.cmake b/ports/py-lxml/portfile.cmake
index 293fdf59..b60f1645 100644
--- a/ports/py-lxml/portfile.cmake
+++ b/ports/py-lxml/portfile.cmake
@@ -26,6 +26,12 @@ include_dirs=${CURRENT_INSTALLED_DIR}/include;${CURRENT_INSTALLED_DIR}/include/l
 library_dirs=${LXML_LIB_SHIM_DIR};${CURRENT_INSTALLED_DIR}/lib
 libraries=${LIBXML2_NAME}
 ")
+else()
+  # On Linux/macOS lxml's setup detects libxml2/libxslt via pkg-config. Point it
+  # at vcpkg's installed .pc files (libxml-2.0.pc, libxslt.pc, libexslt.pc) so it
+  # builds against the vcpkg-provided libraries instead of relying on system
+  # development packages (which are not present in clean CI images).
+  set(ENV{PKG_CONFIG_PATH} "${CURRENT_INSTALLED_DIR}/lib/pkgconfig:$ENV{PKG_CONFIG_PATH}")
 endif()
 
 vcpkg_python_build_and_install_wheel(SOURCE_PATH "${SOURCE_PATH}")
diff --git a/ports/py-lxml/vcpkg.json b/ports/py-lxml/vcpkg.json
index 90ceee05..b4144ad6 100644
--- a/ports/py-lxml/vcpkg.json
+++ b/ports/py-lxml/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "py-lxml",
   "version": "6.1.1",
-  "port-version": 2,
+  "port-version": 3,
   "description": "Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.",
   "homepage": "https://lxml.de/",
   "dependencies": [
diff --git a/versions/baseline.json b/versions/baseline.json
index 5f4eafad..f186f69e 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -206,7 +206,7 @@
     },
     "py-lxml": {
       "baseline": "6.1.1",
-      "port-version": 2
+      "port-version": 3
     },
     "py-markupsafe": {
       "baseline": "3.0.3",
diff --git a/versions/p-/py-lxml.json b/versions/p-/py-lxml.json
index ccc05554..a68a7cb3 100644
--- a/versions/p-/py-lxml.json
+++ b/versions/p-/py-lxml.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "b199b3f1464eddea205ef70cafd2c441b7d37ef9",
+      "version": "6.1.1",
+      "port-version": 3
+    },
     {
       "git-tree": "3b7436d9ca2ecd752e26c05a0d35aa6a127febb1",
       "version": "6.1.1",