diff --git a/include/openssl/asn1.h b/include/openssl/asn1.h
index c9f265a..b7afbbb 100644
--- a/include/openssl/asn1.h
+++ b/include/openssl/asn1.h
@@ -1636,18 +1636,18 @@
 
 // ASN1_STRFLGS_ESC_2253 causes characters to be escaped as in RFC 2253, section
 // 2.4.
-#define ASN1_STRFLGS_ESC_2253 1
+#define ASN1_STRFLGS_ESC_2253 1ul
 
 // ASN1_STRFLGS_ESC_CTRL causes all control characters to be escaped.
-#define ASN1_STRFLGS_ESC_CTRL 2
+#define ASN1_STRFLGS_ESC_CTRL 2ul
 
 // ASN1_STRFLGS_ESC_MSB causes all characters above 127 to be escaped.
-#define ASN1_STRFLGS_ESC_MSB 4
+#define ASN1_STRFLGS_ESC_MSB 4ul
 
 // ASN1_STRFLGS_ESC_QUOTE causes the string to be surrounded by quotes, rather
 // than using backslashes, when characters are escaped. Fewer characters will
 // require escapes in this case.
-#define ASN1_STRFLGS_ESC_QUOTE 8
+#define ASN1_STRFLGS_ESC_QUOTE 8ul
 
 // ASN1_STRFLGS_UTF8_CONVERT causes the string to be encoded as UTF-8, with each
 // byte in the UTF-8 encoding treated as an individual character for purposes of
@@ -1655,29 +1655,29 @@
 // as a character, with wide characters escaped as "\Uxxxx" or "\Wxxxxxxxx".
 // Note this can be ambiguous if |ASN1_STRFLGS_ESC_*| are all unset. In that
 // case, backslashes are not escaped, but wide characters are.
-#define ASN1_STRFLGS_UTF8_CONVERT 0x10
+#define ASN1_STRFLGS_UTF8_CONVERT 0x10ul
 
 // ASN1_STRFLGS_IGNORE_TYPE causes the string type to be ignored. The
 // |ASN1_STRING| in-memory representation will be printed directly.
-#define ASN1_STRFLGS_IGNORE_TYPE 0x20
+#define ASN1_STRFLGS_IGNORE_TYPE 0x20ul
 
 // ASN1_STRFLGS_SHOW_TYPE causes the string type to be included in the output.
-#define ASN1_STRFLGS_SHOW_TYPE 0x40
+#define ASN1_STRFLGS_SHOW_TYPE 0x40ul
 
 // ASN1_STRFLGS_DUMP_ALL causes all strings to be printed as a hexdump, using
 // RFC 2253 hexstring notation, such as "#0123456789ABCDEF".
-#define ASN1_STRFLGS_DUMP_ALL 0x80
+#define ASN1_STRFLGS_DUMP_ALL 0x80ul
 
 // ASN1_STRFLGS_DUMP_UNKNOWN behaves like |ASN1_STRFLGS_DUMP_ALL| but only
 // applies to values of unknown type. If unset, unknown values will print
 // their contents as single-byte characters with escape sequences.
-#define ASN1_STRFLGS_DUMP_UNKNOWN 0x100
+#define ASN1_STRFLGS_DUMP_UNKNOWN 0x100ul
 
 // ASN1_STRFLGS_DUMP_DER causes hexdumped strings (as determined by
 // |ASN1_STRFLGS_DUMP_ALL| or |ASN1_STRFLGS_DUMP_UNKNOWN|) to print the entire
 // DER element as in RFC 2253, rather than only the contents of the
 // |ASN1_STRING|.
-#define ASN1_STRFLGS_DUMP_DER 0x200
+#define ASN1_STRFLGS_DUMP_DER 0x200ul
 
 // ASN1_STRFLGS_RFC2253 causes the string to be escaped as in RFC 2253,
 // additionally escaping control characters.
diff --git a/include/openssl/x509.h b/include/openssl/x509.h
index 59356ed..c5f144a 100644
--- a/include/openssl/x509.h
+++ b/include/openssl/x509.h
@@ -3187,42 +3187,42 @@
 
 // XN_FLAG_COMPAT prints with |X509_NAME_print|'s format and return value
 // convention.
-#define XN_FLAG_COMPAT 0
+#define XN_FLAG_COMPAT 0ul
 
 // XN_FLAG_SEP_MASK determines the separators to use between attributes.
-#define XN_FLAG_SEP_MASK (0xf << 16)
+#define XN_FLAG_SEP_MASK (0xful << 16)
 
 // XN_FLAG_SEP_COMMA_PLUS separates RDNs with "," and attributes within an RDN
 // with "+", as in RFC 2253.
-#define XN_FLAG_SEP_COMMA_PLUS (1 << 16)
+#define XN_FLAG_SEP_COMMA_PLUS (1ul << 16)
 
 // XN_FLAG_SEP_CPLUS_SPC behaves like |XN_FLAG_SEP_COMMA_PLUS| but adds spaces
 // between the separators.
-#define XN_FLAG_SEP_CPLUS_SPC (2 << 16)
+#define XN_FLAG_SEP_CPLUS_SPC (2ul << 16)
 
 // XN_FLAG_SEP_SPLUS_SPC separates RDNs with "; " and attributes within an RDN
 // with " + ".
-#define XN_FLAG_SEP_SPLUS_SPC (3 << 16)
+#define XN_FLAG_SEP_SPLUS_SPC (3ul << 16)
 
 // XN_FLAG_SEP_MULTILINE prints each attribute on one line.
-#define XN_FLAG_SEP_MULTILINE (4 << 16)
+#define XN_FLAG_SEP_MULTILINE (4ul << 16)
 
 // XN_FLAG_DN_REV prints RDNs in reverse, from least significant to most
 // significant, as RFC 2253.
-#define XN_FLAG_DN_REV (1 << 20)
+#define XN_FLAG_DN_REV (1ul << 20)
 
 // XN_FLAG_FN_MASK determines how attribute types are displayed.
-#define XN_FLAG_FN_MASK (0x3 << 21)
+#define XN_FLAG_FN_MASK (0x3ul << 21)
 
 // XN_FLAG_FN_SN uses the attribute type's short name, when available.
-#define XN_FLAG_FN_SN 0
+#define XN_FLAG_FN_SN 0ul
 
 // XN_FLAG_SPC_EQ wraps the "=" operator with spaces when printing attributes.
-#define XN_FLAG_SPC_EQ (1 << 23)
+#define XN_FLAG_SPC_EQ (1ul << 23)
 
 // XN_FLAG_DUMP_UNKNOWN_FIELDS causes unknown attribute types to be printed in
 // hex, as in RFC 2253.
-#define XN_FLAG_DUMP_UNKNOWN_FIELDS (1 << 24)
+#define XN_FLAG_DUMP_UNKNOWN_FIELDS (1ul << 24)
 
 // XN_FLAG_RFC2253 prints like RFC 2253.
 #define XN_FLAG_RFC2253                                             \