To build the example program:
 
-5. Download "Cubism 5 SDK for Native R4" from the Live2D website:
-   <https://www.live2d.com/en/download/cubism-sdk/download-native/>.
+5. Download "Cubism 5 SDK for Native R4.1" from the Live2D website:
+   <https://www.live2d.com/en/sdk/download/native/>.
 
-   Extract the archive -- put the "CubismSdkForNative-5-r.4" folder under
+   Extract the archive -- put the "CubismSdkForNative-5-r.4.1" folder under
    the "example" folder of this repo.
 
    Note: The Cubism SDK is the property of Live2D and is not part of this
    project. You must agree to Live2D's license agreements to use it.
 
 6. Go into the
-   "example/CubismSdkForNative-5-r.4/Samples/OpenGL/thirdParty/scripts"
+   "example/CubismSdkForNative-5-r.4.1/Samples/OpenGL/thirdParty/scripts"
    directory and run
 
        ./setup_glew_glfw
 
 mkdir -p demo_build
 
 if [ "$OSTYPE" = "msys" -o "$OSTYPE" = "cygwin" ]; then
-    cp -r CubismSdkForNative-5-r.4/Samples/OpenGL/Demo/proj.win.cmake/* ./demo_build/
+    cp -r CubismSdkForNative-5-r.4.1/Samples/OpenGL/Demo/proj.win.cmake/* ./demo_build/
     patch -d demo_build -p2 < demo_win.patch
     echo "Now go into ./demo_build/scripts and run the corresponding script for your MSVC version"
 else
-    cp -r CubismSdkForNative-5-r.4/Samples/OpenGL/Demo/proj.linux.cmake/* ./demo_build/
+    cp -r CubismSdkForNative-5-r.4.1/Samples/OpenGL/Demo/proj.linux.cmake/* ./demo_build/
     patch -d demo_build -p2 < demo.patch
     ./demo_build/scripts/make_gcc
 fi
 
  set(APP_NAME Demo)
  # Set directory paths.
 -set(SDK_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../..)
-+set(SDK_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../CubismSdkForNative-5-r.4)
++set(SDK_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../CubismSdkForNative-5-r.4.1)
  set(CORE_PATH ${SDK_ROOT_PATH}/Core)
  set(FRAMEWORK_PATH ${SDK_ROOT_PATH}/Framework)
  set(THIRD_PARTY_PATH ${SDK_ROOT_PATH}/Samples/OpenGL/thirdParty)
 
  set(APP_NAME Demo)
  # Set directory paths.
 -set(SDK_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../..)
-+set(SDK_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../CubismSdkForNative-5-r.4)
++set(SDK_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../CubismSdkForNative-5-r.4.1)
  set(CORE_PATH ${SDK_ROOT_PATH}/Core)
  set(FRAMEWORK_PATH ${SDK_ROOT_PATH}/Framework)
  set(THIRD_PARTY_PATH ${SDK_ROOT_PATH}/Samples/OpenGL/thirdParty)
 
 mkdir -p demo_clean
 
 if [ "$OSTYPE" = "msys" -o "$OSTYPE" = "cygwin" ]; then
-    cp -p -r CubismSdkForNative-5-r.4/Samples/OpenGL/Demo/proj.win.cmake/* ./demo_clean/
+    cp -p -r CubismSdkForNative-5-r.4.1/Samples/OpenGL/Demo/proj.win.cmake/* ./demo_clean/
     diff -pruN --exclude build ./demo_clean ./demo_dev > ./demo_win.patch
 else
-    cp -p -r CubismSdkForNative-5-r.4/Samples/OpenGL/Demo/proj.linux.cmake/* ./demo_clean/
+    cp -p -r CubismSdkForNative-5-r.4.1/Samples/OpenGL/Demo/proj.linux.cmake/* ./demo_clean/
     diff -pruN --exclude build ./demo_clean ./demo_dev > ./demo.patch
 fi