diff --git a/BUILDING b/BUILDING
index d3279de1a6..6fc431760e 100644
--- a/BUILDING
+++ b/BUILDING
@@ -1,4 +1,4 @@
-Building Chez Scheme Version 9.5
+Building Chez Scheme Version 9.5.1
 Copyright 1984-2017 Cisco Systems, Inc.
 
 Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/LOG b/LOG
index 40a51528d6..c2ea69e752 100644
--- a/LOG
+++ b/LOG
@@ -609,3 +609,10 @@
     release-notes.stex, syntax.stex
 - updated install target to do something more sensible
     release_notes/Makefile
+
+9.5.1 changes:
+- updated version to 9.5.1
+    bintar BUILDING NOTICE makefiles/Mf-install.in scheme.1.in
+    c/Makefile.i3nt c/Makefile.a6nt c/Makefile.ti3nt c/Makefile.ta6nt
+    workarea c/scheme.rc s/7.ss s/cmacros.ss
+    release_notes/release_notes.stex csug/csug.stex
diff --git a/NOTICE b/NOTICE
index 504af1a92d..fb3bf4d92d 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,4 +1,4 @@
-Chez Scheme Version 9.5
+Chez Scheme Version 9.5.1
 Copyright 1984-2017 Cisco Systems, Inc.
 
 This product includes code developed by Cisco Systems, Inc.
diff --git a/bintar b/bintar
index b0f737185a..f0b2b8764a 100644
--- a/bintar
+++ b/bintar
@@ -40,11 +40,11 @@ foreach m ($argv[3-])
         case ti3nt:
         case i3nt:
             set files = ($files $release/bin/$m/scheme.exe)
-            set files = ($files $release/bin/$m/csv95.dll)
-            set files = ($files $release/bin/$m/csv95.lib)
+            set files = ($files $release/bin/$m/csv951.dll)
+            set files = ($files $release/bin/$m/csv951.lib)
             set files = ($files $release/bin/$m/vcruntime140.dll)
-            set files = ($files $release/boot/$m/csv95md.lib)
-            set files = ($files $release/boot/$m/csv95mt.lib)
+            set files = ($files $release/boot/$m/csv951md.lib)
+            set files = ($files $release/boot/$m/csv951mt.lib)
             set files = ($files $release/boot/$m/custommd.obj)
             set files = ($files $release/boot/$m/custommt.obj)
             set files = ($files $release/boot/$m/scheme.res)
diff --git a/c/Makefile.a6nt b/c/Makefile.a6nt
index 7277ec389f..2d3291899d 100644
--- a/c/Makefile.a6nt
+++ b/c/Makefile.a6nt
@@ -17,11 +17,11 @@ m = a6nt
 
 # following have to use \ for directory separator
 SchemeInclude = ..\boot\$m
-KernelDll = ..\bin\$m\csv95.dll
-KernelLib = ..\bin\$m\csv95.lib
-MTKernelLib = ..\boot\$m\csv95mt.lib
-MDKernelLib = ..\boot\$m\csv95md.lib
-KernelExp = ..\bin\$m\csv95.exp
+KernelDll = ..\bin\$m\csv951.dll
+KernelLib = ..\bin\$m\csv951.lib
+MTKernelLib = ..\boot\$m\csv951mt.lib
+MDKernelLib = ..\boot\$m\csv951md.lib
+KernelExp = ..\bin\$m\csv951.exp
 Exec = ..\bin\$m\scheme.exe
 MTMain = ..\boot\$m\mainmt.obj
 MDMain = ..\boot\$m\mainmd.obj
diff --git a/c/Makefile.i3nt b/c/Makefile.i3nt
index 35d8d9fcae..f69173c405 100644
--- a/c/Makefile.i3nt
+++ b/c/Makefile.i3nt
@@ -17,11 +17,11 @@ m = i3nt
 
 # following have to use \ for directory separator
 SchemeInclude = ..\boot\$m
-KernelDll = ..\bin\$m\csv95.dll
-KernelLib = ..\bin\$m\csv95.lib
-MTKernelLib = ..\boot\$m\csv95mt.lib
-MDKernelLib = ..\boot\$m\csv95md.lib
-KernelExp = ..\bin\$m\csv95.exp
+KernelDll = ..\bin\$m\csv951.dll
+KernelLib = ..\bin\$m\csv951.lib
+MTKernelLib = ..\boot\$m\csv951mt.lib
+MDKernelLib = ..\boot\$m\csv951md.lib
+KernelExp = ..\bin\$m\csv951.exp
 Exec = ..\bin\$m\scheme.exe
 MTMain = ..\boot\$m\mainmt.obj
 MDMain = ..\boot\$m\mainmd.obj
diff --git a/c/Makefile.ta6nt b/c/Makefile.ta6nt
index 61e46ca4c4..f2fcb8d2c0 100644
--- a/c/Makefile.ta6nt
+++ b/c/Makefile.ta6nt
@@ -17,11 +17,11 @@ m = ta6nt
 
 # following have to use \ for directory separator
 SchemeInclude = ..\boot\$m
-KernelDll = ..\bin\$m\csv95.dll
-KernelLib = ..\bin\$m\csv95.lib
-MTKernelLib = ..\boot\$m\csv95mt.lib
-MDKernelLib = ..\boot\$m\csv95md.lib
-KernelExp = ..\bin\$m\csv95.exp
+KernelDll = ..\bin\$m\csv951.dll
+KernelLib = ..\bin\$m\csv951.lib
+MTKernelLib = ..\boot\$m\csv951mt.lib
+MDKernelLib = ..\boot\$m\csv951md.lib
+KernelExp = ..\bin\$m\csv951.exp
 Exec = ..\bin\$m\scheme.exe
 MTMain = ..\boot\$m\mainmt.obj
 MDMain = ..\boot\$m\mainmd.obj
diff --git a/c/Makefile.ti3nt b/c/Makefile.ti3nt
index c26989397e..f386e36d22 100644
--- a/c/Makefile.ti3nt
+++ b/c/Makefile.ti3nt
@@ -17,11 +17,11 @@ m = ti3nt
 
 # following have to use \ for directory separator
 SchemeInclude = ..\boot\$m
-KernelDll = ..\bin\$m\csv95.dll
-KernelLib = ..\bin\$m\csv95.lib
-MTKernelLib = ..\boot\$m\csv95mt.lib
-MDKernelLib = ..\boot\$m\csv95md.lib
-KernelExp = ..\bin\$m\csv95.exp
+KernelDll = ..\bin\$m\csv951.dll
+KernelLib = ..\bin\$m\csv951.lib
+MTKernelLib = ..\boot\$m\csv951mt.lib
+MDKernelLib = ..\boot\$m\csv951md.lib
+KernelExp = ..\bin\$m\csv951.exp
 Exec = ..\bin\$m\scheme.exe
 MTMain = ..\boot\$m\mainmt.obj
 MDMain = ..\boot\$m\mainmd.obj
diff --git a/c/scheme.rc b/c/scheme.rc
index 478797d260..5f9a1d7660 100644
--- a/c/scheme.rc
+++ b/c/scheme.rc
@@ -1,8 +1,8 @@
 #include "winver.h"
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 9,5,0,0
- PRODUCTVERSION 9,5,0,0
+ FILEVERSION 9,5,1,0
+ PRODUCTVERSION 9,5,1,0
  FILEFLAGSMASK 0x3fL
  FILEFLAGS 0x0L
  FILEOS VOS__WINDOWS32
@@ -12,13 +12,13 @@ VS_VERSION_INFO VERSIONINFO
  BLOCK "StringFileInfo" {
   BLOCK "04090000" {
    VALUE "CompanyName", "Cisco Systems, Inc."
-   VALUE "FileDescription", "Chez Scheme Version 9.5"
-   VALUE "FileVersion", "9.5"
+   VALUE "FileDescription", "Chez Scheme Version 9.5.1"
+   VALUE "FileVersion", "9.5.1"
    VALUE "InternalName", "scheme.exe"
    VALUE "LegalCopyright", "Copyright 1984-2017 Cisco Systems, Inc.  Licensed under the Apache License, Version 2.0."
    VALUE "OriginalFilename", "scheme.exe"
    VALUE "ProductName", "Chez Scheme"
-   VALUE "ProductVersion", "9.5"
+   VALUE "ProductVersion", "9.5.1"
   }
  }
  BLOCK "VarFileInfo" {
diff --git a/csug/copyright.stex b/csug/copyright.stex
index f7d12360ce..40ab14eeda 100644
--- a/csug/copyright.stex
+++ b/csug/copyright.stex
@@ -22,7 +22,7 @@ Licensed under the Apache License Version 2.0\\
 http://www.apache.org/licenses/LICENSE-2.0
 
 % NB: also update corresponding notice in csug.stex
-Revised \INSERTREVISIONMONTHSPACEYEAR for Chez Scheme Version 9.5.
+Revised \INSERTREVISIONMONTHSPACEYEAR for Chez Scheme Version 9.5.1.
 
 \medskip\noindent
 Cisco and the Cisco logo are trademarks or registered trademarks
diff --git a/csug/csug.stex b/csug/csug.stex
index fe791e0715..f383ddee7a 100644
--- a/csug/csug.stex
+++ b/csug/csug.stex
@@ -44,7 +44,7 @@
 Copyright &copy; 2017 Cisco Systems, Inc.<br>
 Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License Version 2.0</a>
 (<a class=plain href="canned/copyright.html">full copyright notice.</a>).</br>
-Revised \INSERTREVISIONMONTHSPACEYEAR for Chez Scheme Version 9.5<br>
+Revised \INSERTREVISIONMONTHSPACEYEAR for Chez Scheme Version 9.5.1<br>
 <a class=plain href="canned/about.html">about this book</a>
 </tr></table>
 }}
diff --git a/makefiles/Mf-install.in b/makefiles/Mf-install.in
index 3d8d6cbb99..a965bbd957 100644
--- a/makefiles/Mf-install.in
+++ b/makefiles/Mf-install.in
@@ -58,7 +58,7 @@ InstallScriptName=scheme-script
 #                 no changes should be needed below this point                #
 ###############################################################################
 
-Version=csv9.5
+Version=csv9.5.1
 Include=boot/$m
 PetiteBoot=boot/$m/petite.boot
 SchemeBoot=boot/$m/scheme.boot
diff --git a/release_notes/release_notes.stex b/release_notes/release_notes.stex
index 081c56f0c6..8721aecdfe 100644
--- a/release_notes/release_notes.stex
+++ b/release_notes/release_notes.stex
@@ -1,6 +1,6 @@
 \documentclass{releasenotes}
 
-\thisversion{Version 9.5}
+\thisversion{Version 9.5.1}
 \thatversion{Version 8.4}
 \pubmonth{October}
 \pubyear{2017}
diff --git a/s/cmacros.ss b/s/cmacros.ss
index 01ed21861b..822d50d59f 100644
--- a/s/cmacros.ss
+++ b/s/cmacros.ss
@@ -328,7 +328,7 @@
                  [(_ foo e1 e2) e1] ...
                  [(_ bar e1 e2) e2]))))])))
 
-(define-constant scheme-version #x00090500)
+(define-constant scheme-version #x00090501)
 
 (define-syntax define-machine-types
   (lambda (x)
diff --git a/scheme.1.in b/scheme.1.in
index 4a0fe87c4c..738eff20e9 100644
--- a/scheme.1.in
+++ b/scheme.1.in
@@ -3,7 +3,7 @@
 .if t .ds c caf\o'\'e'
 .if n .ds c cafe
 .ds ]W 
-.TH SCHEME 1 "Chez Scheme Version 9.5 October 2017"
+.TH SCHEME 1 "Chez Scheme Version 9.5.1 October 2017"
 .SH NAME
 \fIChez Scheme\fP
 .br
diff --git a/workarea b/workarea
index dac988a62c..2a9db42910 100755
--- a/workarea
+++ b/workarea
@@ -201,8 +201,8 @@ case $M in
   *nt)
     (cd $W/boot/$M; workln ../../../boot/$M/mainmd.obj mainmd.obj)
     (cd $W/boot/$M; workln ../../../boot/$M/mainmt.obj mainmt.obj)
-    (cd $W/boot/$M; workln ../../../boot/$M/csv95md.lib csv95md.lib)
-    (cd $W/boot/$M; workln ../../../boot/$M/csv95mt.lib csv95mt.lib)
+    (cd $W/boot/$M; workln ../../../boot/$M/csv951md.lib csv951md.lib)
+    (cd $W/boot/$M; workln ../../../boot/$M/csv951mt.lib csv951mt.lib)
     (cd $W/boot/$M; workln ../../../boot/$M/scheme.res scheme.res)
     ;;
   *)
@@ -217,8 +217,8 @@ case $M in
   *nt)
     (cd $W/bin/$M; workln ../../../bin/$M/scheme.exe scheme.exe)
     (cd $W/bin/$M; forceworkln2 scheme.exe petite.exe)
-    (cd $W/bin/$M; workln ../../../bin/$M/csv95.dll csv95.dll)
-    (cd $W/bin/$M; workln ../../../bin/$M/csv95.lib csv95.lib)
+    (cd $W/bin/$M; workln ../../../bin/$M/csv951.dll csv951.dll)
+    (cd $W/bin/$M; workln ../../../bin/$M/csv951.lib csv951.lib)
     ;;
   *)
     (cd $W/bin/$M; workln ../../../bin/$M/scheme scheme)