diff --git a/ChangeLog b/ChangeLog
index 8c9a9d8d..01e2182c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2019-11-03  Bob Friesenhahn  <bfriesen@simple.dallas.tx.us>
 
+	libtiff 4.1.0 released.
+
 	Added a step for updating the legacy ChangeLog file.
 
 	Ignore emacs temporary files (ending with tilde character).
diff --git a/RELEASE-DATE b/RELEASE-DATE
index 94d1f0c1..ad4fa62a 100644
--- a/RELEASE-DATE
+++ b/RELEASE-DATE
@@ -1 +1 @@
-20181110
+20191103
diff --git a/VERSION b/VERSION
index 2d2d6810..ee74734a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.0.10
+4.1.0
diff --git a/configure.ac b/configure.ac
index 09f959f8..eecb8e99 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ dnl OF THIS SOFTWARE.
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.64)
-AC_INIT([LibTIFF Software],[4.0.10],[tiff@lists.maptools.org],[tiff])
+AC_INIT([LibTIFF Software],[4.1.0],[tiff@lists.maptools.org],[tiff])
 AC_CONFIG_AUX_DIR(config)
 AC_CONFIG_MACRO_DIR(m4)
 AC_LANG(C)
@@ -40,8 +40,8 @@ AM_MAINTAINER_MODE
 dnl Versioning.
 dnl Don't fill the ALPHA_VERSION field, if not applicable.
 LIBTIFF_MAJOR_VERSION=4
-LIBTIFF_MINOR_VERSION=0
-LIBTIFF_MICRO_VERSION=10
+LIBTIFF_MINOR_VERSION=1
+LIBTIFF_MICRO_VERSION=0
 LIBTIFF_ALPHA_VERSION=
 LIBTIFF_VERSION=$LIBTIFF_MAJOR_VERSION.$LIBTIFF_MINOR_VERSION.$LIBTIFF_MICRO_VERSION$LIBTIFF_ALPHA_VERSION
 dnl This will be used with the 'make release' target
@@ -76,9 +76,9 @@ dnl  5. If any interfaces have been added since the last public release, then
 dnl     increment age.
 dnl  6. If any interfaces have been removed since the last public release,
 dnl     then set age to 0.                                
-LIBTIFF_CURRENT=9
+LIBTIFF_CURRENT=10
 LIBTIFF_REVISION=0
-LIBTIFF_AGE=4
+LIBTIFF_AGE=5
 LIBTIFF_VERSION_INFO=$LIBTIFF_CURRENT:$LIBTIFF_REVISION:$LIBTIFF_AGE
 
 # This is a special hack for OpenBSD and MirOS systems. The dynamic linker
diff --git a/html/Makefile.am b/html/Makefile.am
index c3ef8456..10b419b2 100644
--- a/html/Makefile.am
+++ b/html/Makefile.am
@@ -87,7 +87,8 @@ docfiles = \
 	v4.0.7.html \
 	v4.0.8.html \
 	v4.0.9.html \
-	v4.0.10.html
+	v4.0.10.html \
+	v4.1.0.html
 
 dist_doc_DATA = $(docfiles)
 
diff --git a/html/index.html b/html/index.html
index dd5da04f..dca511e7 100644
--- a/html/index.html
+++ b/html/index.html
@@ -28,7 +28,7 @@
     </tr>
     <tr>
       <th>Latest Stable Release</th>
-      <td><a href="v4.0.10.html">v4.0.10</a></td>
+      <td><a href="v4.1.0.html">v4.1.0</a></td>
     </tr>
     <tr>
       <th>Master Download Site</th>
@@ -114,7 +114,7 @@
   </ul>
   <hr>
   <p>
-    Last updated  2019-09-29
+    Last updated  2019-11-03
   </p>
 </body>
 </html>
diff --git a/libtiff/tiffvers.h b/libtiff/tiffvers.h
index 403d61be..aa3f613e 100644
--- a/libtiff/tiffvers.h
+++ b/libtiff/tiffvers.h
@@ -1,4 +1,4 @@
-#define TIFFLIB_VERSION_STR "LIBTIFF, Version 4.0.10\nCopyright (c) 1988-1996 Sam Leffler\nCopyright (c) 1991-1996 Silicon Graphics, Inc."
+#define TIFFLIB_VERSION_STR "LIBTIFF, Version 4.1.0\nCopyright (c) 1988-1996 Sam Leffler\nCopyright (c) 1991-1996 Silicon Graphics, Inc."
 /*
  * This define can be used in code that requires
  * compilation-related definitions specific to a
@@ -6,4 +6,4 @@
  * version checking should be done based on the
  * string returned by TIFFGetVersion.
  */
-#define TIFFLIB_VERSION 20181110
+#define TIFFLIB_VERSION 20191103