diff --git a/include/alignment.h b/include/alignment.h
index 1d5fcec..70d77fc 100644
--- a/include/alignment.h
+++ b/include/alignment.h
@@ -8,7 +8,9 @@
 // <summary></summary>
 // ***********************************************************************
 #pragma once
-#define ALIGNMENT 16
+// Match the CPU cache line size (see cache.h) to prevent false sharing between
+// concurrently-written fields that happen to land on the same cache line.
+#define ALIGNMENT 64
 
 #pragma pack(ALIGNMENT)
 #define class_alignment alignas(ALIGNMENT)
\ No newline at end of file