diff --git a/ports/bison/bison.patch b/ports/bison/bison.patch
index 0fcb8420..0eea32cc 100644
--- a/ports/bison/bison.patch
+++ b/ports/bison/bison.patch
@@ -1,3 +1,15 @@
+diff -Paur --no-dereference -- bison.upstream/build-aux/config.sub bison/build-aux/config.sub
+--- bison.upstream/build-aux/config.sub
++++ bison/build-aux/config.sub
+@@ -1356,7 +1356,7 @@
+ 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
+ 	      | -sym* | -kopensolaris* | -plan9* \
+ 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+-	      | -aos* | -aros* \
++	      | -aos* | -aros* | -sortix* \
+ 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+ 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+ 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
 diff -Paur --no-dereference -- bison.upstream/configure bison/configure
 --- bison.upstream/configure
 +++ bison/configure
@@ -122,7 +134,7 @@ diff -Paur --no-dereference -- bison.upstream/configure bison/configure
 +export gl_cv_func_getcwd_null=yes # Only if the OS actually supports this, Sortix does.
 +export gl_cv_struct_dirent_d_ino=yes # Only if the OS actually supports this, Sortix does.
  # Guess values for system-dependent variables and create Makefiles.
- # Generated by GNU Autoconf 2.71 for GNU Bison 3.8.2.
+ # Generated by GNU Autoconf 2.69 for GNU Bison 3.0.2.
  #
 diff -Paur --no-dereference -- bison.upstream/lib/spawn_faction_addclose.c bison/lib/spawn_faction_addclose.c
 --- bison.upstream/lib/spawn_faction_addclose.c
@@ -135,7 +147,7 @@ diff -Paur --no-dereference -- bison.upstream/lib/spawn_faction_addclose.c bison
 -# define __sysconf(open_max) getdtablesize ()
 -#endif
 -
- #if REPLACE_POSIX_SPAWN
+ #if !HAVE_WORKING_POSIX_SPAWN
  # include "spawn_int.h"
  #endif
 @@ -37,7 +33,7 @@
@@ -158,7 +170,7 @@ diff -Paur --no-dereference -- bison.upstream/lib/spawn_faction_adddup2.c bison/
 -# define __sysconf(open_max) getdtablesize ()
 -#endif
 -
- #if REPLACE_POSIX_SPAWN
+ #if !HAVE_WORKING_POSIX_SPAWN
  # include "spawn_int.h"
  #endif
 @@ -37,7 +33,7 @@
@@ -173,18 +185,18 @@ diff -Paur --no-dereference -- bison.upstream/lib/spawn_faction_adddup2.c bison/
 diff -Paur --no-dereference -- bison.upstream/lib/spawn_faction_addopen.c bison/lib/spawn_faction_addopen.c
 --- bison.upstream/lib/spawn_faction_addopen.c
 +++ bison/lib/spawn_faction_addopen.c
-@@ -24,10 +24,6 @@
- #include <string.h>
+@@ -22,10 +22,6 @@
+ #include <errno.h>
  #include <unistd.h>
  
 -#if !_LIBC
 -# define __sysconf(open_max) getdtablesize ()
 -#endif
 -
- #if REPLACE_POSIX_SPAWN
+ #if !HAVE_WORKING_POSIX_SPAWN
  # include "spawn_int.h"
  #endif
-@@ -40,7 +36,7 @@
+@@ -38,7 +34,7 @@
                                    mode_t mode)
  #undef posix_spawn_file_actions_addopen
  {
@@ -196,11 +208,63 @@ diff -Paur --no-dereference -- bison.upstream/lib/spawn_faction_addopen.c bison/
 diff -Paur --no-dereference -- bison.upstream/Makefile.in bison/Makefile.in
 --- bison.upstream/Makefile.in
 +++ bison/Makefile.in
-@@ -10935,6 +10935,7 @@
- 	clean-noinstLIBRARIES mostlyclean-am
- 
+@@ -2297,7 +2297,7 @@
+ # Obfuscate with a variable.
+ doc_bison = doc/bison
+ TEXI2DVI = texi2dvi --build-dir=doc/bison.t2d -I doc
+-CLEANDIRS = doc/bison.t2d doc/figs doc/html
++CLEANDIRS = doc/bison.t2d doc/html
+ CROSS_OPTIONS_PL = $(top_srcdir)/build-aux/cross-options.pl
+ CROSS_OPTIONS_TEXI = $(top_srcdir)/doc/cross-options.texi
+ MAINTAINERCLEANFILES = $(CROSS_OPTIONS_TEXI) \
+@@ -4922,6 +4922,8 @@
  distclean: distclean-recursive
-+	-rm -f doc/stamp-vti
  	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
- 		-rm -f examples/c++/$(DEPDIR)/simple-simple.Po
- 	-rm -f examples/c++/$(DEPDIR)/variant-variant.Po
+ 	-rm -rf examples/calc++/$(DEPDIR) examples/mfcalc/$(DEPDIR) examples/rpcalc/$(DEPDIR) lib/$(DEPDIR) lib/glthread/$(DEPDIR) lib/uniwidth/$(DEPDIR) src/$(DEPDIR)
++	-rm -f $(INFO_DEPS)
++	-rm -f $(CROSS_OPTIONS_TEXI)
+ 	-rm -f Makefile
+ distclean-am: clean-am distclean-compile distclean-generic \
+ 	distclean-hdr distclean-local distclean-tags
+@@ -5145,22 +5147,28 @@
+ doc/refcard.pdf: doc/refcard.tex
+ 	$(AM_V_GEN) cd doc && pdftex $(abs_top_srcdir)/doc/refcard.tex
+ $(top_srcdir)/doc/bison.help: src/bison$(EXEEXT)
+-	$(AM_V_GEN)src/bison$(EXEEXT) --version >doc/bison.help.tmp
+-	$(AM_V_at) src/bison$(EXEEXT) --help   >>doc/bison.help.tmp
+-	$(AM_V_at)$(top_srcdir)/build-aux/move-if-change doc/bison.help.tmp $@
++	# PATCH: Nope! You can't run your programs after they have been potentially
++	#        cross-compiled so don't even try!
++	#$(AM_V_GEN)src/bison$(EXEEXT) --version >doc/bison.help.tmp
++	#$(AM_V_at) src/bison$(EXEEXT) --help   >>doc/bison.help.tmp
++	#$(AM_V_at)$(top_srcdir)/build-aux/move-if-change doc/bison.help.tmp $@
++	touch $@
+ 
+ # Depend on configure to get version number changes.
+ $(top_srcdir)/doc/bison.1: doc/bison.help doc/bison.x $(top_srcdir)/configure
+-	$(AM_V_GEN)$(HELP2MAN)			\
+-	    --include=$(top_srcdir)/doc/bison.x	\
+-	    --output=$@.t src/bison$(EXEEXT)
+-	$(AM_V_at)if $(remove_time_stamp) $@ >$@a.t 2>/dev/null &&	 \
+-	   $(remove_time_stamp) $@.t | cmp $@a.t - >/dev/null 2>&1; then \
+-	  touch $@;							 \
+-	else								 \
+-	  mv $@.t $@;							 \
+-	fi
+-	$(AM_V_at)rm -f $@*.t
++	# PATCH: Nope! You can't run your programs after they have been potentially
++	#        cross-compiled so don't even try!
++	#$(AM_V_GEN)$(HELP2MAN)			\
++	#    --include=$(top_srcdir)/doc/bison.x	\
++	#    --output=$@.t src/bison$(EXEEXT)
++	#$(AM_V_at)if $(remove_time_stamp) $@ >$@a.t 2>/dev/null &&	 \
++	#   $(remove_time_stamp) $@.t | cmp $@a.t - >/dev/null 2>&1; then \
++	#  touch $@;							 \
++	#else								 \
++	#  mv $@.t $@;							 \
++	#fi
++	#$(AM_V_at)rm -f $@*.t
++	touch $@
+ 
+ .gv.eps:
+ 	$(AM_V_GEN) $(MKDIR_P) `echo "./$@" | sed -e 's,/[^/]*$$,,'`
diff --git a/ports/bison/bison.port b/ports/bison/bison.port
index 0d275f5c..11649bb0 100644
--- a/ports/bison/bison.port
+++ b/ports/bison/bison.port
@@ -1,12 +1,11 @@
 NAME=bison
-BUILD_LIBRARIES='libstdc++? libiconv? libintl? libreadline? libtextstyle?'
-VERSION=3.8.2
+BUILD_LIBRARIES='libstdc++? libiconv?'
+VERSION=3.0.2
 DISTNAME=$NAME-$VERSION
 COMPRESSION=tar.xz
 ARCHIVE=$DISTNAME.$COMPRESSION
-SHA256SUM=9bba0214ccf7f1079c5d59210045227bcf619519840ebfa80cd3849cff5a5bf2
+SHA256SUM=a2c3e8528bdb50567d6fa26deeb493dc5ccd7e277b865251608a9e43ac928f3c
 UPSTREAM_SITE=https://ftp.gnu.org/gnu/bison
 UPSTREAM_ARCHIVE=$ARCHIVE
-LICENSE=GPL-3.0-or-later
 BUILD_SYSTEM=configure
 MAKE_VARS='V=1'
diff --git a/ports/bison/bison.rmpatch b/ports/bison/bison.rmpatch
index 94951ee3..cf59c2f1 100644
--- a/ports/bison/bison.rmpatch
+++ b/ports/bison/bison.rmpatch
@@ -1,10 +1,4 @@
-rm -rf -- 'doc/figs/example-reduce.eps'
-rm -rf -- 'doc/figs/example-reduce.pdf'
-rm -rf -- 'doc/figs/example-reduce.svg'
-rm -rf -- 'doc/figs/example-shift.eps'
-rm -rf -- 'doc/figs/example-shift.pdf'
-rm -rf -- 'doc/figs/example-shift.svg'
-rm -rf -- 'doc/figs/example.eps'
-rm -rf -- 'doc/figs/example.pdf'
-rm -rf -- 'doc/figs/example.svg'
+rm -rf -- 'doc/bison.info'
+rm -rf -- 'doc/cross-options.texi'
 rm -rf -- 'doc/stamp-vti'
+rm -rf -- 'doc/version.texi'