diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 922f54d..b1e3c4d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -178,7 +178,8 @@ jobs:
             -DCMAKE_C_COMPILER=/usr/lib/llvm-18/bin/clang \
             -DCMAKE_SYSTEM_NAME=WASI \
             -DWASI_SDK_INCLUDE_TESTS=ON \
-            -DCMAKE_C_LINKER_DEPFILE_SUPPORTED=OFF
+            -DCMAKE_C_LINKER_DEPFILE_SUPPORTED=OFF \
+            -DCMAKE_CXX_LINKER_DEPFILE_SUPPORTED=OFF
       - run: ninja -C build
       - run: ctest --output-on-failure --parallel 10 --test-dir build/tests
 
diff --git a/cmake/wasi-sdk-sysroot.cmake b/cmake/wasi-sdk-sysroot.cmake
index 8c341a1..0dd475f 100644
--- a/cmake/wasi-sdk-sysroot.cmake
+++ b/cmake/wasi-sdk-sysroot.cmake
@@ -52,7 +52,8 @@ set(default_cmake_args
   # is just a bare "clang" installation then it can mistakenly deduce that this
   # feature is supported when it's not actually supported for WASI targets.
   # Currently `wasm-ld` does not support the linker flag for this.
-  -DCMAKE_C_LINKER_DEPFILE_SUPPORTED=OFF)
+  -DCMAKE_C_LINKER_DEPFILE_SUPPORTED=OFF
+  -DCMAKE_CXX_LINKER_DEPFILE_SUPPORTED=OFF)
 
 if(CMAKE_C_COMPILER_LAUNCHER)
   list(APPEND default_cmake_args -DCMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER})