diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7eeb0059..837de5b5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -157,6 +157,7 @@ jobs:
       - name: test 262
         if: ${{ matrix.config.runTest262 }}
         run: |
+          git submodule update --init --checkout --depth 1
           time make test262
 
   linux-gcc48:
@@ -259,6 +260,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: build
         run: |
+          git submodule update --init --checkout --depth 1
           cmake -B build -DBUILD_EXAMPLES=ON -G "Visual Studio 17 2022" -T ClangCL
           cmake --build build --config ${{matrix.buildType}}
       - name: stats
@@ -291,6 +293,7 @@ jobs:
           ninja.exe --version
       - name: build
         run: |
+          git submodule update --init --checkout --depth 1
           cmake -B build -DBUILD_EXAMPLES=ON -DCMAKE_BUILD_TYPE=${{matrix.buildType}} -G "Ninja"
           cmake --build build
       - name: stats
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 547a4434..3f0953f1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,6 +17,7 @@ jobs:
       - name: build
         shell: alpine.sh {0}
         run: |
+          git submodule update --init --checkout --depth 1
           mkdir build
           cd build
           cmake -DBUILD_STATIC_QJS_EXE=ON ..
@@ -45,6 +46,7 @@ jobs:
       - name: build
         shell: alpine.sh {0}
         run: |
+          git submodule update --init --checkout --depth 1
           mkdir build
           cd build
           cmake -DBUILD_STATIC_QJS_EXE=ON ..
@@ -73,6 +75,7 @@ jobs:
       - name: build
         shell: alpine.sh {0}
         run: |
+          git submodule update --init --checkout --depth 1
           mkdir build
           cd build
           cmake -DBUILD_STATIC_QJS_EXE=ON ..
@@ -102,6 +105,7 @@ jobs:
       - name: build
         shell: alpine.sh {0}
         run: |
+          git submodule update --init --checkout --depth 1
           mkdir build
           cd build
           cmake -DBUILD_STATIC_QJS_EXE=ON ..
@@ -126,6 +130,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: build
         run: |
+          git submodule update --init --checkout --depth 1
           mkdir build
           cd build
           cmake -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64" ..
@@ -161,6 +166,7 @@ jobs:
             toolchain:p
       - name: build
         run: |
+          git submodule update --init --checkout --depth 1
           make
           mv build/qjs.exe build/qjs-windows-x86.exe
           mv build/qjsc.exe build/qjsc-windows-x86.exe
@@ -193,6 +199,7 @@ jobs:
             toolchain:p
       - name: build
         run: |
+          git submodule update --init --checkout --depth 1
           make
           mv build/qjs.exe build/qjs-windows-x86_64.exe
           mv build/qjsc.exe build/qjsc-windows-x86_64.exe
@@ -215,6 +222,7 @@ jobs:
           sudo apt install /tmp/wasi-sdk*.deb
       - name: build
         run: |
+          git submodule update --init --checkout --depth 1
           cmake -B build -DCMAKE_TOOLCHAIN_FILE=/opt/wasi-sdk/share/cmake/wasi-sdk.cmake
           make -C build qjs_exe
           mv build/qjs build/qjs-wasi.wasm
diff --git a/.gitmodules b/.gitmodules
index b10f021f..91828e05 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,3 +2,4 @@
 	path = test262
 	url = https://github.com/tc39/test262
 	shallow = true
+	update = none