diff --git a/.github/workflows/es-actions.yml b/.github/workflows/es-actions.yml
index fbd72ccac..b0627b50e 100644
--- a/.github/workflows/es-actions.yml
+++ b/.github/workflows/es-actions.yml
@@ -29,7 +29,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
       with:
-        submodules: true
+        submodules: recursive
     - name: Install Packages
       run: |
         brew update
@@ -100,7 +100,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
       with:
-        submodules: true
+        submodules: recursive
     - name: Install Packages
       run: |
         sudo apt-get update
@@ -157,7 +157,7 @@ jobs:
         sdk: "10.0.20348.0"
     - name: Build ${{ matrix.arch.cpu }} Release
       run: |
-        CMake -DCMAKE_SYSTEM_NAME=Windows -DCMAKE_SYSTEM_VERSION:STRING="10.0" -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch.cpu }} -Bout/ -DESCARGOT_OUTPUT=shell -DESCARGOT_LIBICU_SUPPORT=ON -DESCARGOT_LIBICU_SUPPORT_WITH_DLOPEN=NO -DESCARGOT_WASM=ON -DESCARGOT_THREADING=ON -DESCARGOT_TCO=ON -DESCARGOT_TEST=ON -G Ninja -DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_BUILD_TYPE=release -DCMAKE_C_FLAGS="${{ matrix.arch.flag }}" -DCMAKE_CXX_FLAGS="${{ matrix.arch.flag }}"
+        CMake -DCMAKE_SYSTEM_NAME=Windows -DCMAKE_SYSTEM_VERSION:STRING="10.0" -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch.cpu }} -Bout/ -DESCARGOT_OUTPUT=shell -DESCARGOT_LIBICU_SUPPORT=ON -DESCARGOT_LIBICU_SUPPORT_WITH_DLOPEN=NO -DESCARGOT_THREADING=ON -DESCARGOT_TCO=ON -DESCARGOT_TEST=ON -G Ninja -DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_BUILD_TYPE=release -DCMAKE_C_FLAGS="${{ matrix.arch.flag }}" -DCMAKE_CXX_FLAGS="${{ matrix.arch.flag }}"
         CMake --build out/ --config Release
     - name: Run octane
       run: |
@@ -187,7 +187,7 @@ jobs:
         git config --global core.eol lf
     - uses: actions/checkout@v4
       with:
-        submodules: true
+        submodules: recursive
     - uses: szenius/set-timezone@v1.2
       with:
         timezoneWindows: "Pacific Standard Time"
@@ -559,7 +559,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
       with:
-        submodules: true
+        submodules: recursive
     - name: Install Packages
       run: |
         sudo apt-get update
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3a32327cc..12cca3899 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,8 +4,6 @@ PROJECT (ESCARGOT)
 
 # CONFIGURATION
 SET (CMAKE_VERBOSE_MAKEFILE true)
-# so(dll)s are should placed on CMAKE_BINARY_DIR
-SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
 SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
 
 MESSAGE(STATUS "CMAKE_SYSTEM_NAME: " ${CMAKE_SYSTEM_NAME})
diff --git a/build/escargot.cmake b/build/escargot.cmake
index 96fb4ac2d..2690679d1 100644
--- a/build/escargot.cmake
+++ b/build/escargot.cmake
@@ -142,6 +142,7 @@ IF (ESCARGOT_WASM)
     SET (WALRUS_ARCH ${ESCARGOT_ARCH})
     SET (WALRUS_MODE ${ESCARGOT_MODE})
     SET (WALRUS_OUTPUT "shared_lib")
+    SET (WALRUS_WASI OFF) # WASI should be OFF
 
     IF (${ESCARGOT_MODE} STREQUAL "release")
          SET (WALRUS_CXXFLAGS ${WALRUS_CXXFLAGS} ${ESCARGOT_CXXFLAGS_RELEASE})
diff --git a/src/api/EscargotPublic.cpp b/src/api/EscargotPublic.cpp
index 394ef70b0..0e89c933d 100644
--- a/src/api/EscargotPublic.cpp
+++ b/src/api/EscargotPublic.cpp
@@ -2348,6 +2348,15 @@ bool ObjectRef::setPrototype(ExecutionStateRef* state, ValueRef* value)
     return toImpl(this)->setPrototype(*toImpl(state), toImpl(value));
 }
 
+bool ObjectRef::setObjectPrototype(ExecutionStateRef* state, ValueRef* value)
+{
+    // explicitly call Object::setPrototype
+    // could be used for initialization of __proto__to avoid ImmutablePrototypeObject::setPrototype
+    // should not be ProxyObject because ProxyObject has it's own setPrototype method
+    ASSERT(!toImpl(this)->isProxyObject());
+    return toImpl(this)->Object::setPrototype(*toImpl(state), toImpl(value));
+}
+
 StringRef* ObjectRef::constructorName(ExecutionStateRef* state)
 {
     return toRef(toImpl(this)->constructorName(*toImpl(state)));
diff --git a/src/api/EscargotPublic.h b/src/api/EscargotPublic.h
index 2b434ba4a..bcfa422c8 100644
--- a/src/api/EscargotPublic.h
+++ b/src/api/EscargotPublic.h
@@ -1399,6 +1399,7 @@ class ESCARGOT_EXPORT ObjectRef : public PointerValueRef {
     ValueRef* getPrototype(ExecutionStateRef* state);
     OptionalRef<ObjectRef> getPrototypeObject(ExecutionStateRef* state); // if __proto__ is not object(undefined or null), this function returns nullptr instead of orginal value.
     bool setPrototype(ExecutionStateRef* state, ValueRef* value);
+    bool setObjectPrototype(ExecutionStateRef* state, ValueRef* value); // explicitly call Object::setPrototype
 
     StringRef* constructorName(ExecutionStateRef* state);
 
diff --git a/third_party/walrus b/third_party/walrus
index af827e032..367de4eac 160000
--- a/third_party/walrus
+++ b/third_party/walrus
@@ -1 +1 @@
-Subproject commit af827e032d4bb6d7ff8e440fa56361b135803b2a
+Subproject commit 367de4eace4655dc04d141391e5f3929b1081b08