diff --git a/third_party/musl/ndk_musl_include/wchar.h b/third_party/musl/ndk_musl_include/wchar.h
index e8826200ee9837725bd9370cdfbfefbbcf7707de..9e6eb00db74513c5e3bec5dff9f66b2a481fae4c 100644
--- a/third_party/musl/ndk_musl_include/wchar.h
+++ b/third_party/musl/ndk_musl_include/wchar.h
@@ -142,6 +142,16 @@ size_t wcsftime (wchar_t *__restrict, size_t, const wchar_t *__restrict, const s
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 size_t wcsftime_l (wchar_t *__restrict, size_t, const wchar_t *__restrict, const struct tm *__restrict, locale_t);
+
+/**
+ * @brief converts the input string const wchar_t * to a double-precision value
+ * @param const wchar_t * Null-terminated string to convert
+ * @param wchar_t ** Pointer to character that stops scan
+ * @param locale_t The locale to use
+ * @return double-precision value converted from the input string
+ * @since 12
+ */
+double wcstod_l (const wchar_t *__restrict, wchar_t **__restrict, locale_t);
 #endif
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
diff --git a/third_party/musl/ndk_script/adapter/libc.ndk.json b/third_party/musl/ndk_script/adapter/libc.ndk.json
index e72f5997b314cbd349fc88db3fc6674abab0d258..0334e2a0aaed41c16e6d4a94e8cbd0e2b554a348 100644
--- a/third_party/musl/ndk_script/adapter/libc.ndk.json
+++ b/third_party/musl/ndk_script/adapter/libc.ndk.json
@@ -1428,6 +1428,10 @@
     { "name": "wcsspn" },
     { "name": "wcsstr" },
     { "name": "wcstod" },
+    {
+        "first_introduced": "12",
+        "name": "wcstod_l"
+    },
     { "name": "wcstof" },
     { "name": "wcstoimax" },
     { "name": "wcstok" },