diff --git a/ports/x265/CONTROL b/ports/x265/CONTROL
index f2185d2f07..ae598d613d 100644
--- a/ports/x265/CONTROL
+++ b/ports/x265/CONTROL
@@ -1,3 +1,3 @@
 Source: x265
-Version: 2.9-2
+Version: 3.0-1
 Description: x265 is a H.265 / HEVC video encoder application library, designed to encode video or images into an H.265 / HEVC encoded bitstream.
diff --git a/ports/x265/disable-install-pdb.patch b/ports/x265/disable-install-pdb.patch
index 1b58d287c7..4d57d764bd 100644
--- a/ports/x265/disable-install-pdb.patch
+++ b/ports/x265/disable-install-pdb.patch
@@ -2,7 +2,7 @@ diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
 index 33b6523..06e3193 100644
 --- a/source/CMakeLists.txt
 +++ b/source/CMakeLists.txt
-@@ -556,13 +556,13 @@ endif()
+@@ -559,13 +559,13 @@ endif()
  install(FILES x265.h "${PROJECT_BINARY_DIR}/x265_config.h" DESTINATION include)
  if((WIN32 AND ENABLE_CLI) OR (WIN32 AND ENABLE_SHARED))
      if(MSVC_IDE)
diff --git a/ports/x265/portfile.cmake b/ports/x265/portfile.cmake
index 87f11c4f4e..6b207baf38 100644
--- a/ports/x265/portfile.cmake
+++ b/ports/x265/portfile.cmake
@@ -3,8 +3,8 @@ include(vcpkg_common_functions)
 vcpkg_from_bitbucket(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO multicoreware/x265
-    REF 2.9
-    SHA512 5bd9732b6af67e7f7c5b1e71d26acbd98fb98e9e81c6052cda2e1e9254e3eaaa28914805d3f8cd2535dd042022047e54f8ae49ea02269160b609d191a7d99e94
+    REF 3.0
+    SHA512 698fd31bf30c65896717225de69714523bcbd3d835474f777bf32c3a6d6dbbf941a09db076e13e76917a5ca014c89fca924fcb0ea3d15bc09748b6fc834a4ba2
     HEAD_REF master
 )
 
@@ -13,13 +13,24 @@ vcpkg_apply_patches(
     PATCHES ${CMAKE_CURRENT_LIST_DIR}/disable-install-pdb.patch
 )
 
+set(ENABLE_ASSEMBLY OFF)
+if (WIN32)
+    vcpkg_find_acquire_program(NASM)
+    get_filename_component(NASM_EXE_PATH ${NASM} DIRECTORY)
+    set(ENV{PATH} "$ENV{PATH};${NASM_EXE_PATH}")
+    set(ENABLE_ASSEMBLY ON)
+endif ()
+
 string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" ENABLE_SHARED)
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}/source
     PREFER_NINJA
-    OPTIONS -DENABLE_SHARED=${ENABLE_SHARED}
-    OPTIONS_DEBUG -DENABLE_CLI=OFF
+    OPTIONS
+        -DENABLE_ASSEMBLY=${ENABLE_ASSEMBLY}
+        -DENABLE_SHARED=${ENABLE_SHARED}
+    OPTIONS_DEBUG
+        -DENABLE_CLI=OFF
 )
 
 vcpkg_install_cmake()
diff --git a/scripts/cmake/vcpkg_find_acquire_program.cmake b/scripts/cmake/vcpkg_find_acquire_program.cmake
index 87b6fb4fef..1f856b69ef 100644
--- a/scripts/cmake/vcpkg_find_acquire_program.cmake
+++ b/scripts/cmake/vcpkg_find_acquire_program.cmake
@@ -58,15 +58,12 @@ function(vcpkg_find_acquire_program VAR)
     set(HASH a6e685ea24376f50db5f06c5b46075f1d3be25168fa1f27fa9b02e2ac017826cee62a2b43562f9b6c989337a231ba914416c110075457764de2d11f99d5e0f26)
   elseif(VAR MATCHES "NASM")
     set(PROGNAME nasm)
-    set(PATHS ${DOWNLOADS}/tools/nasm/nasm-2.12.02)
+    set(PATHS ${DOWNLOADS}/tools/nasm/nasm-2.14)
     set(BREW_PACKAGE_NAME "nasm")
     set(APT_PACKAGE_NAME "nasm")
-    set(URL
-      "http://www.nasm.us/pub/nasm/releasebuilds/2.12.02/win32/nasm-2.12.02-win32.zip"
-      "http://mirrors.kodi.tv/build-deps/win32/nasm-2.12.02-win32.zip"
-    )
-    set(ARCHIVE "nasm-2.12.02-win32.zip")
-    set(HASH df7aaba094e17832688c88993997612a2e2c96cc3dc14ca3e8347b44c7762115f5a7fc6d7f20be402553aaa4c9e43ddfcf6228f581cfe89289bae550de151b36)
+    set(URL "http://www.nasm.us/pub/nasm/releasebuilds/2.14/win32/nasm-2.14-win32.zip")
+    set(ARCHIVE "nasm-2.14-win32.zip")
+    set(HASH 64481b0346b83de8c9568f04a54f68e0f4c71724afa0b414f12e4080951d8c49e489bfc32117f9a489e3e49477b1cadc583c672311316d27c543af304c4b7f2a)
   elseif(VAR MATCHES "YASM")
     set(PROGNAME yasm)
     set(SUBDIR 1.3.0.6)