diff --git a/ports/openssl/cmake-config.patch b/ports/openssl/cmake-config.patch
index 4478f07259..74251abef9 100644
--- a/ports/openssl/cmake-config.patch
+++ b/ports/openssl/cmake-config.patch
@@ -1,5 +1,5 @@
 diff --git a/Configurations/unix-Makefile.tmpl b/Configurations/unix-Makefile.tmpl
-index 4c24cae..2792083 100644
+index 09303c4..487ff68 100644
 --- a/Configurations/unix-Makefile.tmpl
 +++ b/Configurations/unix-Makefile.tmpl
 @@ -338,7 +338,7 @@ bindir={- file_name_is_absolute($bindir)
@@ -25,10 +25,20 @@ index 894834c..d6d3c41 100644
  ##### User defined commands and flags ################################
  
 diff --git a/exporters/cmake/OpenSSLConfig.cmake.in b/exporters/cmake/OpenSSLConfig.cmake.in
-index 2d23219..3477e20 100644
+index 766aebe..026680a 100644
 --- a/exporters/cmake/OpenSSLConfig.cmake.in
 +++ b/exporters/cmake/OpenSSLConfig.cmake.in
-@@ -136,6 +136,14 @@ set(OPENSSL_APPLINK_SOURCE "${_ossl_prefix}/{- unixify($OpenSSL::safe::installda
+@@ -91,8 +91,7 @@ get_filename_component(_ossl_prefix "${CMAKE_CURRENT_LIST_FILE}" PATH)
+ {-
+   # For each component in $OpenSSL::safe::installdata::CMAKECONFIGDIR[0] relative to
+   # $OpenSSL::safe::installdata::PREFIX[0], have CMake figure out the parent directory.
+-  my $d = join('/', unixify(catdir($OpenSSL::safe::installdata::LIBDIR_REL_PREFIX[0],
+-                                   $OpenSSL::safe::installdata::CMAKECONFIGDIR_REL_LIBDIR[0]), 1));
++  my $d = 'share/openssl';
+   $OUT = '';
+   if ($d ne '.') {
+       $OUT .= 'get_filename_component(_ossl_prefix "${_ossl_prefix}" PATH)' . "\n"
+@@ -141,6 +140,14 @@ set(OPENSSL_APPLINK_SOURCE "${_ossl_prefix}/{- unixify($OpenSSL::safe::installda
  {- output_on() if $disabled{uplink}; "" -}
  set(OPENSSL_PROGRAM "${OPENSSL_RUNTIME_DIR}/{- platform->bin('openssl') -}")
  
@@ -43,7 +53,7 @@ index 2d23219..3477e20 100644
  # Set up the imported targets
  if(_ossl_use_static_libs)
  {- output_off() unless $no_static; "" -}
-@@ -235,5 +243,6 @@ set_property(TARGET OpenSSL::applink PROPERTY
+@@ -240,5 +247,6 @@ set_property(TARGET OpenSSL::applink PROPERTY
    INTERFACE_SOURCES "${OPENSSL_APPLINK_SOURCE}")
  {- output_on() if $disabled{uplink}; "" -}
  
diff --git a/ports/openssl/portfile.cmake b/ports/openssl/portfile.cmake
index c9b702d930..732da8dbe5 100644
--- a/ports/openssl/portfile.cmake
+++ b/ports/openssl/portfile.cmake
@@ -7,17 +7,11 @@ if(VCPKG_TARGET_IS_EMSCRIPTEN)
     vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
 endif()
 
-vcpkg_download_distfile(PATCH_FIX_BUILD_WITH_OLD_PERL
-    URLS https://github.com/openssl/openssl/commit/210dc9a50dfd99caa1cf7c3d2fa42850124b1bbc.patch?full_index=1
-    SHA512 62f69f0e2664dc3b6a3090a3b2e142d50b14467f0e862784d9e306a503d4c34e77cd546d3a04dcf1b059e8300646b8ba5168579a0f2a33cfa9cffcbfd4f309e7
-    FILENAME openssl-openssl-210dc9a50dfd99caa1cf7c3d2fa42850124b1bbc.patch
-)
-
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO openssl/openssl
     REF "openssl-${VERSION}"
-    SHA512 c6c152fa3eb06c8dcd4de9fccfd42165ba98715cc560454930709554bcb060db5a8465b70ee1d53e6df6ddc85507f66da745b1f2e2fae9605d808ea861d8f57d
+    SHA512 d5f78b2e9d7b7b4787c976c4f832b1448bbadf5f9d398a50ef98053f92501768d000aa73673af200568aef4c8a491442ebbee8c43556838f465d4f91dfc2b5ad
     PATCHES
         cmake-config.patch
         command-line-length.patch
@@ -29,7 +23,6 @@ vcpkg_from_github(
         unix/move-openssldir.patch
         unix/no-empty-dirs.patch
         unix/no-static-libs-for-shared.patch
-        "${PATCH_FIX_BUILD_WITH_OLD_PERL}"
 )
 
 vcpkg_list(SET CONFIGURE_OPTIONS
diff --git a/ports/openssl/vcpkg.json b/ports/openssl/vcpkg.json
index 80cd65916d..d9350a1f3f 100644
--- a/ports/openssl/vcpkg.json
+++ b/ports/openssl/vcpkg.json
@@ -1,7 +1,6 @@
 {
   "name": "openssl",
-  "version": "3.3.2",
-  "port-version": 1,
+  "version": "3.4.0",
   "description": "OpenSSL is an open source project that provides a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library.",
   "homepage": "https://www.openssl.org",
   "license": "Apache-2.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index ebd122f0f3..159c112790 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -6717,8 +6717,8 @@
       "port-version": 4
     },
     "openssl": {
-      "baseline": "3.3.2",
-      "port-version": 1
+      "baseline": "3.4.0",
+      "port-version": 0
     },
     "opensubdiv": {
       "baseline": "3.5.0",
diff --git a/versions/o-/openssl.json b/versions/o-/openssl.json
index aa175d6a32..bc69fea558 100644
--- a/versions/o-/openssl.json
+++ b/versions/o-/openssl.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "ce504a83eb9627d54f1cffdb497a6bf5bd970d18",
+      "version": "3.4.0",
+      "port-version": 0
+    },
     {
       "git-tree": "2c0920b57254210866a89aa705291b452a31df48",
       "version": "3.3.2",