diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e6e51195..e0630f4a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, windows-latest, macos-latest, macos-14]
         preset:
           - rust-release
           - rust-with-sqlite-release
@@ -30,7 +30,7 @@ jobs:
 
       - if: ${{ matrix.os == 'ubuntu-latest' }}
         run: sudo apt-get install ninja-build
-      - if: ${{ matrix.os == 'macos-latest' }}
+      - if: ${{ matrix.os == 'macos-latest' || matrix.os == 'macos-14' }}
         run: brew install ninja
       - if: ${{ matrix.os == 'windows-latest' }}
         run: choco install ninja
diff --git a/NEWS b/NEWS
index ab14bffd6..d1a6df0c9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,9 @@
+What's New in libchewing 0.8.1 (May 15, 2024)
+---------------------------------------------------------
+
+* Buf fixed
+  - Fail to build on aarch64 due to type mismatch. (introduced in v0.8.0)
+
 What's New in libchewing 0.8.0 (May 14, 2024)
 ---------------------------------------------------------
 
diff --git a/capi/src/io.rs b/capi/src/io.rs
index 7cbcaacec..db5706621 100644
--- a/capi/src/io.rs
+++ b/capi/src/io.rs
@@ -89,7 +89,7 @@ unsafe fn slice_from_ptr_with_nul<'a>(ptr: *const c_char) -> Option<&'a [c_char]
 
 unsafe fn str_from_ptr_with_nul<'a>(ptr: *const c_char) -> Option<&'a str> {
     unsafe { slice_from_ptr_with_nul(ptr) }
-        .and_then(|data| str::from_utf8(unsafe { mem::transmute::<&[i8], &[u8]>(data) }).ok())
+        .and_then(|data| str::from_utf8(unsafe { mem::transmute::<&[c_char], &[u8]>(data) }).ok())
 }
 
 #[no_mangle]
diff --git a/tests/testhelper/src/path.rs b/tests/testhelper/src/path.rs
index ed413961e..b94e044b7 100644
--- a/tests/testhelper/src/path.rs
+++ b/tests/testhelper/src/path.rs
@@ -83,7 +83,7 @@ pub unsafe extern "C" fn find_path_by_files(
     -1
 }
 
-unsafe fn files_ptr_to_slice(files: *const *const i8) -> Vec<Cow<'static, str>> {
+unsafe fn files_ptr_to_slice(files: *const *const c_char) -> Vec<Cow<'static, str>> {
     let len = {
         let mut i = 0;
         while unsafe { !files.add(i).read().is_null() } {