diff --git a/science/tinker/Makefile b/science/tinker/Makefile
index cc480452e807..227e255fe33b 100644
--- a/science/tinker/Makefile
+++ b/science/tinker/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	tinker
-DISTVERSION=	8.8.1
+DISTVERSION=	8.8.3
 CATEGORIES=	science
 MASTER_SITES=	https://dasher.wustl.edu/tinker/downloads/
 
diff --git a/science/tinker/distinfo b/science/tinker/distinfo
index 054e0e4f4ec7..802b688b9ce2 100644
--- a/science/tinker/distinfo
+++ b/science/tinker/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1597694919
-SHA256 (tinker-8.8.1.tar.gz) = 8477afb51a0dcbba421948645eb77df3d071de984440b2e2d14063f9477e6d2e
-SIZE (tinker-8.8.1.tar.gz) = 69052620
+TIMESTAMP = 1605046844
+SHA256 (tinker-8.8.3.tar.gz) = 9f874ffc8d3b996e0b44ee1ee58759de0352e11767155a9dd80d63979e5957d4
+SIZE (tinker-8.8.3.tar.gz) = 69516061
diff --git a/science/tinker/files/patch-make_Makefile b/science/tinker/files/patch-make_Makefile
index fd5f2ab15b2c..e25324bf5968 100644
--- a/science/tinker/files/patch-make_Makefile
+++ b/science/tinker/files/patch-make_Makefile
@@ -1,4 +1,4 @@
---- make/Makefile.orig	2020-07-27 02:52:19 UTC
+--- make/Makefile.orig	2020-11-09 22:09:06 UTC
 +++ make/Makefile
 @@ -87,9 +87,9 @@ APBS_LIBS = -lapbsmainroutines -lapbs -lmaloc -lapbsbl
  F77 = gfortran
@@ -12,7 +12,7 @@
  LIBS = 
  LIBFLAGS = -crusv
  RANLIB = ranlib -c
-@@ -813,132 +813,132 @@ listing:
+@@ -817,134 +817,134 @@ listing:
  	cat *.f *.c > tinker.txt
  
  rename_bin:
@@ -22,6 +22,7 @@
 -	mv  archive.x    $(BINDIR)/archive
 -	mv  bar.x        $(BINDIR)/bar
 -	mv  correlate.x  $(BINDIR)/correlate
+-	mv  critical.x   $(BINDIR)/critical
 -	mv  crystal.x    $(BINDIR)/crystal
 -	mv  diffuse.x    $(BINDIR)/diffuse
 -	mv  distgeom.x   $(BINDIR)/distgeom
@@ -84,6 +85,7 @@
 +	${BSD_INSTALL_PROGRAM}  archive.x    $(BINDIR)/archive
 +	${BSD_INSTALL_PROGRAM}  bar.x        $(BINDIR)/bar
 +	${BSD_INSTALL_PROGRAM}  correlate.x  $(BINDIR)/correlate
++	${BSD_INSTALL_PROGRAM}  critical.x   $(BINDIR)/critical
 +	${BSD_INSTALL_PROGRAM}  crystal.x    $(BINDIR)/crystal
 +	${BSD_INSTALL_PROGRAM}  diffuse.x    $(BINDIR)/diffuse
 +	${BSD_INSTALL_PROGRAM}  distgeom.x   $(BINDIR)/distgeom
@@ -148,6 +150,7 @@
 -	mv  archive.x    $(BINDIR)/archive.exe
 -	mv  bar.x        $(BINDIR)/bar.exe
 -	mv  correlate.x  $(BINDIR)/correlate.exe
+-	mv  critical.x   $(BINDIR)/critical.exe
 -	mv  crystal.x    $(BINDIR)/crystal.exe
 -	mv  diffuse.x    $(BINDIR)/diffuse.exe
 -	mv  distgeom.x   $(BINDIR)/distgeom.exe
@@ -210,6 +213,7 @@
 +	${BSD_INSTALL_PROGRAM}  archive.x    $(BINDIR)/archive.exe
 +	${BSD_INSTALL_PROGRAM}  bar.x        $(BINDIR)/bar.exe
 +	${BSD_INSTALL_PROGRAM}  correlate.x  $(BINDIR)/correlate.exe
++	${BSD_INSTALL_PROGRAM}  critical.x   $(BINDIR)/critical.exe
 +	${BSD_INSTALL_PROGRAM}  crystal.x    $(BINDIR)/crystal.exe
 +	${BSD_INSTALL_PROGRAM}  diffuse.x    $(BINDIR)/diffuse.exe
 +	${BSD_INSTALL_PROGRAM}  distgeom.x   $(BINDIR)/distgeom.exe
diff --git a/science/tinker/pkg-plist b/science/tinker/pkg-plist
index e64a189282c6..3f8ed4b42788 100644
--- a/science/tinker/pkg-plist
+++ b/science/tinker/pkg-plist
@@ -4,6 +4,7 @@ bin/anneal
 bin/archive
 bin/bar
 bin/correlate
+bin/critical
 bin/crystal
 bin/diffuse
 bin/distgeom
@@ -92,6 +93,7 @@ bin/xyzpdb
 %%DATADIR%%/params/smoothaa.prm
 %%DATADIR%%/params/smoothua.prm
 %%DATADIR%%/params/tiny.prm
+%%DATADIR%%/params/uwater.prm
 %%DATADIR%%/params/water03.prm
 %%DATADIR%%/params/water14.prm
 %%DATADIR%%/params/water19.prm
@@ -156,6 +158,7 @@ bin/xyzpdb
 %%DATADIR%%/test/gpcr.blk
 %%DATADIR%%/test/gpcr.key
 %%DATADIR%%/test/gpcr.log
+%%DATADIR%%/test/gpcr.old
 %%DATADIR%%/test/gpcr.run
 %%DATADIR%%/test/gpcr.xyz
 %%DATADIR%%/test/helix.1st