--- ext/openssl/ossl.h.orig	2010-06-21 18:18:59.000000000 +0900
+++ ext/openssl/ossl.h	2019-02-27 22:36:54.000000000 +0900
@@ -54,7 +54,7 @@
 #endif
 #include <errno.h>
 #include <openssl/err.h>
-#include <openssl/asn1_mac.h>
+#include <openssl/asn1.h>
 #include <openssl/x509v3.h>
 #include <openssl/ssl.h>
 #include <openssl/pkcs12.h>