diff --git a/LOG b/LOG
index f4c4fdbe2b..482d5ebbc0 100644
--- a/LOG
+++ b/LOG
@@ -727,6 +727,8 @@
     workarea,
     s/Mf-base, bytevector.ss, cpnanopass.ss, date.ss,
     5_6.ms, examples.ms
+- updated newrelease to handle mats/Mf-*nt
+    newrelease mats/Mf-a6nt mats/Mf-i3nt mats/Mf-ta6nt mats/Mf-ti3nt
 - fixed gather-filedata's sort of profile entries.  for any two
   entries x and y in the list produced by the sort call, if x's
   bfp = y's bfp, x should come before y if x's efp < y's efp.
diff --git a/mats/Mf-a6nt b/mats/Mf-a6nt
index 094b6187cb..093d0c3071 100644
--- a/mats/Mf-a6nt
+++ b/mats/Mf-a6nt
@@ -22,7 +22,7 @@ mdclean = cat_flush.exe cat_flush.obj foreign1.exp foreign1.lib foreign1.obj for
 include Mf-base
 
 foreign1.so: $(fsrc)
-	cmd.exe /c "vs.bat amd64 && cl /DWIN32 /DX86_64 /Fe$@ /I${Include} /LD /MD /nologo ../bin/$m/csv941.lib $(fsrc)"
+	cmd.exe /c "vs.bat amd64 && cl /DWIN32 /DX86_64 /Fe$@ /I${Include} /LD /MD /nologo ../bin/$m/csv951.lib $(fsrc)"
 
 cat_flush: cat_flush.c
 	cmd.exe /c "vs.bat amd64 && cl /DWIN32 /DX86_64 /MD /nologo $<"
diff --git a/mats/Mf-i3nt b/mats/Mf-i3nt
index e76e0d35c0..572f66aeb6 100644
--- a/mats/Mf-i3nt
+++ b/mats/Mf-i3nt
@@ -22,7 +22,7 @@ mdclean = cat_flush.exe cat_flush.obj foreign1.exp foreign1.lib foreign1.obj for
 include Mf-base
 
 foreign1.so: $(fsrc)
-	cmd.exe /c "vs.bat x86 && cl /DWIN32 /Fe$@ /I${Include} /LD /MD /nologo ../bin/$m/csv941.lib $(fsrc)"
+	cmd.exe /c "vs.bat x86 && cl /DWIN32 /Fe$@ /I${Include} /LD /MD /nologo ../bin/$m/csv951.lib $(fsrc)"
 
 cat_flush: cat_flush.c
 	cmd.exe /c "vs.bat x86 && cl /DWIN32 /MD /nologo $<"
diff --git a/mats/Mf-ta6nt b/mats/Mf-ta6nt
index c7fb204e58..16733d74c1 100644
--- a/mats/Mf-ta6nt
+++ b/mats/Mf-ta6nt
@@ -22,7 +22,7 @@ mdclean = cat_flush.exe cat_flush.obj foreign1.exp foreign1.lib foreign1.obj for
 include Mf-base
 
 foreign1.so: $(fsrc)
-	cmd.exe /c "vs.bat amd64 && cl /DWIN32 /DX86_64 /Fe$@ /I${Include} /LD /MD /nologo ../bin/$m/csv941.lib $(fsrc)"
+	cmd.exe /c "vs.bat amd64 && cl /DWIN32 /DX86_64 /Fe$@ /I${Include} /LD /MD /nologo ../bin/$m/csv951.lib $(fsrc)"
 
 cat_flush: cat_flush.c
 	cmd.exe /c "vs.bat amd64 && cl /DWIN32 /DX86_64 /MD /nologo $<"
diff --git a/mats/Mf-ti3nt b/mats/Mf-ti3nt
index b6939e6d08..5059169016 100644
--- a/mats/Mf-ti3nt
+++ b/mats/Mf-ti3nt
@@ -22,7 +22,7 @@ mdclean = cat_flush.exe cat_flush.obj foreign1.exp foreign1.lib foreign1.obj for
 include Mf-base
 
 foreign1.so: $(fsrc)
-	cmd.exe /c "vs.bat x86 && cl /DWIN32 /Fe$@ /I${Include} /LD /MD /nologo ../bin/$m/csv941.lib $(fsrc)"
+	cmd.exe /c "vs.bat x86 && cl /DWIN32 /Fe$@ /I${Include} /LD /MD /nologo ../bin/$m/csv951.lib $(fsrc)"
 
 cat_flush: cat_flush.c
 	cmd.exe /c "vs.bat x86 && cl /DWIN32 /MD /nologo $<"
diff --git a/newrelease b/newrelease
index a34e743770..01b7f5fdef 100755
--- a/newrelease
+++ b/newrelease
@@ -99,6 +99,12 @@ foreach fn (c/Makefile.{,t}{a6,i3}nt)
   sed -e "s/csv[0-9][0-9][0-9]*/csv$ZR/g" ../$fn > $fn
 end
 
+/bin/rm -f mats/Mf-{,t}{i3,a6}nt
+foreach fn (mats/Mf-{,t}{a6,i3}nt)
+  set updatedfiles = ($updatedfiles $fn)
+  sed -e "s/csv[0-9][0-9][0-9]*/csv$ZR/g" ../$fn > $fn
+end
+
 sed -e "s/csv[0-9][.0-9][0-9]*/csv$ZR/g" ../workarea > workarea
 chmod +x workarea
 set updatedfiles = ($updatedfiles workarea)