diff --git a/include/wininet.h b/include/wininet.h
index c37fda9..9fcf4d9 100644
--- a/include/wininet.h
+++ b/include/wininet.h
@@ -1042,7 +1042,18 @@
 #define HTTP_QUERY_VARY                         65
 #define HTTP_QUERY_VIA                          66
 #define HTTP_QUERY_WARNING                      67
-#define HTTP_QUERY_MAX                          67
+#define HTTP_QUERY_EXPECT                       68
+#define HTTP_QUERY_PROXY_CONNECTION             69
+#define HTTP_QUERY_UNLESS_MODIFIED_SINCE        70
+#define HTTP_QUERY_ECHO_REQUEST                 71
+#define HTTP_QUERY_ECHO_REPLY                   72
+#define HTTP_QUERY_ECHO_HEADERS                 73
+#define HTTP_QUERY_ECHO_HEADERS_CRLF            74
+#define HTTP_QUERY_PROXY_SUPPORT                75
+#define HTTP_QUERY_AUTHENTICATION_INFO          76
+#define HTTP_QUERY_PASSPORT_URLS                77
+#define HTTP_QUERY_PASSPORT_CONFIG              78
+#define HTTP_QUERY_MAX                          78
 #define HTTP_QUERY_CUSTOM                       65535
 #define HTTP_QUERY_FLAG_REQUEST_HEADERS         0x80000000
 #define HTTP_QUERY_FLAG_SYSTEMTIME              0x40000000