diff --git a/src/platform/lunarlake/include/platform/lib/memory.h b/src/platform/lunarlake/include/platform/lib/memory.h
index 5f7ced26f922..f968da8c50f0 100644
--- a/src/platform/lunarlake/include/platform/lib/memory.h
+++ b/src/platform/lunarlake/include/platform/lib/memory.h
@@ -56,7 +56,7 @@
 /**
  * size of HPSRAM system heap
  */
-#define HEAPMEM_SIZE 0x40000
+#define HEAPMEM_SIZE 0xD0000
 
 #endif /* __PLATFORM_LIB_MEMORY_H__ */