diff --git a/ports/ixwebsocket/CONTROL b/ports/ixwebsocket/CONTROL
index 4acae5c3f0..dac666e368 100644
--- a/ports/ixwebsocket/CONTROL
+++ b/ports/ixwebsocket/CONTROL
@@ -1,5 +1,5 @@
 Source: ixwebsocket
-Version: 9.1.9
+Version: 9.6.2
 Build-Depends: zlib
 Homepage: https://github.com/machinezone/IXWebSocket
 Description: Lightweight WebSocket Client and Server + HTTP Client and Server
diff --git a/ports/ixwebsocket/portfile.cmake b/ports/ixwebsocket/portfile.cmake
index 68e523a055..23aa61cef4 100644
--- a/ports/ixwebsocket/portfile.cmake
+++ b/ports/ixwebsocket/portfile.cmake
@@ -1,14 +1,27 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO machinezone/IXWebSocket
-    REF v9.1.9
-    SHA512 f1fd731b5f6a9ce6d6d10bee22a5d9d9baaa8ea0564d6c4cd7eb91dcb88a45c49b2c7fdb75f8640a3589c1b30cee33ef5df8dcbb55920d013394d1e33ddd3c8e
+    REF v9.6.2
+    SHA512 22a97f0c74d5789fd265627bbadfce02116a41fca888d684b756cbb1c070d626517855e265c484870d02db7084b6c1107d500acc1c13e327ede0c23228a54f7b
 )
 
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+    openssl   USE_OPEN_SSL
+    mbedtls   USE_MBED_TLS
+    sectransp USE_SECURE_TRANSPORT
+)
+
+if("sectransp" IN_LIST FEATURES AND NOT VCPKG_TARGET_IS_OSX)
+    message(FATAL_ERROR "sectransp is not supported on non-Apple platforms")
+endif()
+
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
-    PREFER_NINJA # Disable this option if project cannot be built with Ninja
-    OPTIONS -DUSE_TLS=1
+    PREFER_NINJA
+    OPTIONS
+	${FEATURE_OPTIONS}
+	-DUSE_TLS=1
 )
 
 vcpkg_install_cmake()
@@ -17,6 +30,3 @@ file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
 
 # Handle copyright
 file(INSTALL ${SOURCE_PATH}/LICENSE.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
-
-# Post-build test for cmake libraries
-# vcpkg_test_cmake(PACKAGE_NAME ixwebsocket)