diff -urN wt-orig/Makefile wt/Makefile
--- wt-orig/Makefile	2020-12-20 17:37:30.132152000 +0000
+++ wt/Makefile	2020-12-20 17:44:59.690847000 +0000
@@ -2,7 +2,7 @@
 # $FreeBSD: head/www/wt/Makefile 547540 2020-09-04 13:16:38Z swills $
 
 PORTNAME=	wt
-DISTVERSION=	4.4.0
+DISTVERSION=	4.5.0
 CATEGORIES=	www
 
 MAINTAINER=	info@babaei.net
@@ -67,12 +67,11 @@
 FCGI_DESC=		Build FastCGI connector
 WTHTTP_DESC=		Build Wt stand-alone httpd connector
 
-OPTIONS_GROUP_DBO=	SQLITE3 POSTGRES FIREBIRD MYSQL
+OPTIONS_GROUP_DBO=	SQLITE3 POSTGRES MYSQL
 OPTIONS_DEFAULT+=	SQLITE3
 DBO_DESC=		Wt::DBO
 SQLITE3_DESC=		Build Wt with SQLite 3 support
 POSTGRES_DESC=		Build Wt with PostgreSQL support
-FIREBIRD_DESC=		Build Wt with Firebird support
 MYSQL_DESC=		Build Wt with MariaDB or MySQL support
 
 EXAMPLES_IMPLIES=	SQLITE3 WTHTTP
@@ -83,11 +82,6 @@
 			libfcgi++.so:www/fcgi
 FCGI_CMAKE_ON=		-DFCGI_PREFIX:STRING=${LOCALBASE}
 
-FIREBIRD_CMAKE_BOOL=	ENABLE_FIREBIRD
-FIREBIRD_USES=		firebird
-FIREBIRD_CMAKE_ON=	-DFIREBIRD_PREFIX:STRING=${LOCALBASE} \
-			-DENABLE_LIBWTDBO:BOOL=ON
-
 HARU_CMAKE_BOOL=	ENABLE_HARU
 HARU_LIB_DEPENDS=	libhpdf.so:print/libharu
 HARU_CMAKE_ON=	-DHARU_PREFIX:STRING=${LOCALBASE}
@@ -136,7 +130,6 @@
 
 .if ${PORT_OPTIONS:MSQLITE3} || \
     ${PORT_OPTIONS:MPOSTGRES} || \
-    ${PORT_OPTIONS:MFIREBIRD} || \
     ${PORT_OPTIONS:MMYSQL}
 PLIST_SUB+=	DBO=""
 .else
diff -urN wt-orig/distinfo wt/distinfo
--- wt-orig/distinfo	2020-12-20 17:37:30.132224000 +0000
+++ wt/distinfo	2020-12-20 17:45:24.201406000 +0000
@@ -1,3 +1,3 @@
-TIMESTAMP = 1598218784
-SHA256 (emweb-wt-4.4.0_GH0.tar.gz) = 2eabefea915ecc4deb36f9f67ab30dd3b1f6c73893d76c9d9fa39ac25f4f3690
-SIZE (emweb-wt-4.4.0_GH0.tar.gz) = 8774471
+TIMESTAMP = 1608486324
+SHA256 (emweb-wt-4.5.0_GH0.tar.gz) = 119b1eae83285a153b9c901d3f4f25775c7a460d30b1e48242d7d2d649d61deb
+SIZE (emweb-wt-4.5.0_GH0.tar.gz) = 8781916
diff -urN wt-orig/pkg-plist wt/pkg-plist
--- wt-orig/pkg-plist	2020-12-20 17:37:30.132461000 +0000
+++ wt/pkg-plist	2020-12-20 18:10:00.477414000 +0000
@@ -112,11 +112,9 @@
 %%DBO%%include/Wt/Dbo/Types.h
 %%DBO%%include/Wt/Dbo/WDboDllDefs.h
 %%DBO%%include/Wt/Dbo/WtSqlTraits.h
-%%FIREBIRD%%include/Wt/Dbo/backend/Firebird.h
 %%MYSQL%%include/Wt/Dbo/backend/MySQL.h
 %%POSTGRES%%include/Wt/Dbo/backend/Postgres.h
 %%SQLITE3%%include/Wt/Dbo/backend/Sqlite3.h
-%%FIREBIRD%%include/Wt/Dbo/backend/WDboFirebirdDllDefs.h
 %%MYSQL%%include/Wt/Dbo/backend/WDboMySQLDllDefs.h
 %%POSTGRES%%include/Wt/Dbo/backend/WDboPostgresDllDefs.h
 %%SQLITE3%%include/Wt/Dbo/backend/WDboSqlite3DllDefs.h
@@ -367,8 +365,6 @@
 lib/cmake/wt/wt-config.cmake
 %%DBO%%lib/cmake/wt/wt-target-dbo-release.cmake
 %%DBO%%lib/cmake/wt/wt-target-dbo.cmake
-%%FIREBIRD%%lib/cmake/wt/wt-target-dbofirebird-release.cmake
-%%FIREBIRD%%lib/cmake/wt/wt-target-dbofirebird.cmake
 %%MYSQL%%lib/cmake/wt/wt-target-dbomysql-release.cmake
 %%MYSQL%%lib/cmake/wt/wt-target-dbomysql.cmake
 %%POSTGRES%%lib/cmake/wt/wt-target-dbopostgres-release.cmake
@@ -385,23 +381,21 @@
 lib/cmake/wt/wt-target-wt-release.cmake
 lib/cmake/wt/wt-target-wt.cmake
 lib/libwt.so
-lib/libwt.so.4.4.0
+lib/libwt.so.4.5.0
 %%DBO%%lib/libwtdbo.so
-%%DBO%%lib/libwtdbo.so.4.4.0
-%%FIREBIRD%%lib/libwtdbofirebird.so
-%%FIREBIRD%%lib/libwtdbofirebird.so.4.4.0
+%%DBO%%lib/libwtdbo.so.4.5.0
 %%MYSQL%%lib/libwtdbomysql.so
-%%MYSQL%%lib/libwtdbomysql.so.4.4.0
+%%MYSQL%%lib/libwtdbomysql.so.4.5.0
 %%POSTGRES%%lib/libwtdbopostgres.so
-%%POSTGRES%%lib/libwtdbopostgres.so.4.4.0
+%%POSTGRES%%lib/libwtdbopostgres.so.4.5.0
 %%SQLITE3%%lib/libwtdbosqlite3.so
-%%SQLITE3%%lib/libwtdbosqlite3.so.4.4.0
+%%SQLITE3%%lib/libwtdbosqlite3.so.4.5.0
 %%FCGI%%lib/libwtfcgi.so
-%%FCGI%%lib/libwtfcgi.so.4.4.0
+%%FCGI%%lib/libwtfcgi.so.4.5.0
 %%WTHTTP%%lib/libwthttp.so
-%%WTHTTP%%lib/libwthttp.so.4.4.0
+%%WTHTTP%%lib/libwthttp.so.4.5.0
 %%LIBWTTEST%%lib/libwttest.so
-%%LIBWTTEST%%lib/libwttest.so.4.4.0
+%%LIBWTTEST%%lib/libwttest.so.4.5.0
 %%RESOURCES%%share/Wt/resources/ajax-loading.gif
 %%RESOURCES%%share/Wt/resources/collapse-rtl.gif
 %%RESOURCES%%share/Wt/resources/collapse.gif