diff --git a/dep/rapidyaml/include/c4/cpu.hpp b/dep/rapidyaml/include/c4/cpu.hpp
index f37b9fa14..a6cd4952f 100644
--- a/dep/rapidyaml/include/c4/cpu.hpp
+++ b/dep/rapidyaml/include/c4/cpu.hpp
@@ -131,6 +131,16 @@
 #   endif
 #   define C4_BYTE_ORDER _C4EL
 
+#elif defined(__loongarch__)
+#   if defined(__loongarch64)
+#       define C4_CPU_LOONGARCH64
+#       define C4_WORDSIZE 8
+#   else
+#       define C4_CPU_LOONGARCH
+#       define C4_WORDSIZE 4
+#   endif
+#   define C4_BYTE_ORDER _C4EL
+
 #elif defined(__EMSCRIPTEN__)
 #   define C4_BYTE_ORDER _C4EL
 #   define C4_WORDSIZE 4