diff --git a/lang/gambit-c/Makefile b/lang/gambit-c/Makefile
index 513788686d25..65c045da1d1c 100644
--- a/lang/gambit-c/Makefile
+++ b/lang/gambit-c/Makefile
@@ -2,9 +2,9 @@
 # $FreeBSD$
 
 PORTNAME=	gambit-c
-PORTVERSION=	4.8.8
-PORTREVISION=	7
+PORTVERSION=	4.9.3
 DISTVERSIONPREFIX=	v
+PORTREVISION=	0
 PORTEPOCH=	1
 CATEGORIES=	lang
 
@@ -14,10 +14,10 @@ COMMENT=	Gambit programming system where the compiler generates portable C code
 LICENSE=	APACHE20 LGPL21
 LICENSE_COMB=	dual
 
-USE_GITHUB=	yes
-GH_ACCOUNT=	feeley
-GH_PROJECT=	gambit
 USES=		compiler gmake
+USE_GITHUB=	yes
+GH_ACCOUNT=	gambit
+GH_PROJECT=	gambit
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-single-host \
 		--enable-gcc-opts \
diff --git a/lang/gambit-c/distinfo b/lang/gambit-c/distinfo
index f4cd52277a15..9b0fe4d049f9 100644
--- a/lang/gambit-c/distinfo
+++ b/lang/gambit-c/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1486112900
-SHA256 (feeley-gambit-v4.8.8_GH0.tar.gz) = daf7154fc76efd0ff9b861cdcc770136b07c44241ab60b791339962e43453648
-SIZE (feeley-gambit-v4.8.8_GH0.tar.gz) = 12574252
+TIMESTAMP = 1595731119
+SHA256 (gambit-gambit-v4.9.3_GH0.tar.gz) = a5e4e5c66a99b6039fa7ee3741ac80f3f6c4cff47dc9e0ff1692ae73e13751ca
+SIZE (gambit-gambit-v4.9.3_GH0.tar.gz) = 12994862
diff --git a/lang/gambit-c/pkg-plist b/lang/gambit-c/pkg-plist
index 31adf363a55e..691e52232213 100644
--- a/lang/gambit-c/pkg-plist
+++ b/lang/gambit-c/pkg-plist
@@ -1,4 +1,9 @@
 bin/gambcomp-C
+bin/gambcomp-java
+bin/gambcomp-js
+bin/gambcomp-php
+bin/gambcomp-python
+bin/gambcomp-ruby
 bin/gambdoc
 bin/gsc-gambit
 bin/gsc-script
@@ -10,7 +15,7 @@ bin/scheme-r5rs
 bin/scheme-srfi-0
 bin/six
 bin/six-script
-include/gambit-c/gambit-not408008.h
+include/gambit-c/gambit-not409003.h
 include/gambit-c/gambit.h
 lib/gambit-c/_asm#.scm
 lib/gambit-c/_assert#.scm