diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28df7a6a..5efa631e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Support installing native binary for `cargo-llvm-cov`  on AArch64 Windows. (Previously x86_64 Windows binary is used as fallback.)
+
 ## [2.67.3] - 2026-01-22
 
 - Update `zola@latest` to 0.22.1.
diff --git a/tools/codegen/base/cargo-llvm-cov.json b/tools/codegen/base/cargo-llvm-cov.json
index 127e8f06..2915dffb 100644
--- a/tools/codegen/base/cargo-llvm-cov.json
+++ b/tools/codegen/base/cargo-llvm-cov.json
@@ -9,6 +9,7 @@
     "x86_64_windows": {},
     "aarch64_linux_musl": {},
     "aarch64_macos": {},
+    "aarch64_windows": {},
     "powerpc64le_linux_musl": {},
     "riscv64_linux_musl": {},
     "s390x_linux_gnu": {}