diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5bbfd5693..d7740273f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,7 @@ project(leptonica C CXX)
 
 set(VERSION_MAJOR 1)
 set(VERSION_MINOR 75)
-set(VERSION_PATCH 0)
+set(VERSION_PATCH 1)
 set(VERSION_PLAIN ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
 
 option(BUILD_PROG "Build utility programs" OFF)
diff --git a/README.html b/README.html
index b1499a4cc..eb8c9179f 100644
--- a/README.html
+++ b/README.html
@@ -75,12 +75,12 @@
  -  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *====================================================================*/
 
-README (version 1.75.0)
-File update: 24 Jan 2018
+README (version 1.75.1)
+File update: 31 Jan 2018
 ---------------------------
 
-gunzip leptonica-1.75.0.tar.gz
-tar -xvf leptonica-1.75.0.tar
+gunzip leptonica-1.75.1.tar.gz
+tar -xvf leptonica-1.75.1.tar
 
 </pre>
 
@@ -116,7 +116,7 @@ <h2> <A NAME="BUILDING">
   Libraries, executables and prototypes are easily made, as described below.
 
   When you extract from the archive, all files are put in a
-  subdirectory 'leptonica-1.75.0'.  In that directory you will
+  subdirectory 'leptonica-1.75.1'.  In that directory you will
   find a src directory containing the source files for the library,
   and a prog directory containing source files for various
   testing and example programs.
@@ -251,7 +251,7 @@ <h2> <A NAME="BUILDING">
             make install
 
        Configure also supports building in a separate directory from the
-       source.  Run "/(path-to)/leptonica-1.75.0/configure" and then "make"
+       source.  Run "/(path-to)/leptonica-1.75.1/configure" and then "make"
        from the desired build directory.
 
        Configure has a number of useful options; run "configure --help" for
@@ -1069,8 +1069,8 @@ <h2> <A NAME="CONTENTS">
    http://code.google.com/p/leptonica, as well as all versions after 1.60.
    These have now been transferred by Egor Pugin to github:
        github.com/danbloomberg/leptonica
-   where all releases (1.42 - 1.75.0) are available; e.g.,
-       https://github.com/DanBloomberg/leptonica/releases/tag/1.75.0
+   where all releases (1.42 - 1.75.1) are available; e.g.,
+       https://github.com/DanBloomberg/leptonica/releases/tag/1.75.1
    Most recent releases from 1.67 are also available at
        leptonica.org/download.html
    Note that if you are downloading from github, the releases are more
diff --git a/configure.ac b/configure.ac
index 5aaf38787..7542c9b03 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.50])
-AC_INIT([leptonica], [1.75.0])
+AC_INIT([leptonica], [1.75.1])
 AC_CONFIG_AUX_DIR([config])
 AC_CONFIG_HEADERS([config_auto.h:config/config.h.in])
 AC_CONFIG_SRCDIR([src/adaptmap.c])
diff --git a/src/allheaders.h b/src/allheaders.h
index 1203ba599..52569ed71 100644
--- a/src/allheaders.h
+++ b/src/allheaders.h
@@ -30,7 +30,7 @@
 
 #define LIBLEPT_MAJOR_VERSION   1
 #define LIBLEPT_MINOR_VERSION   75
-#define LIBLEPT_PATCH_VERSION   0
+#define LIBLEPT_PATCH_VERSION   1
 
 #include "alltypes.h"
 
diff --git a/src/allheaders_top.txt b/src/allheaders_top.txt
index 5148d16ad..665a9b360 100644
--- a/src/allheaders_top.txt
+++ b/src/allheaders_top.txt
@@ -30,7 +30,7 @@
 
 #define LIBLEPT_MAJOR_VERSION   1
 #define LIBLEPT_MINOR_VERSION   75
-#define LIBLEPT_PATCH_VERSION   0
+#define LIBLEPT_PATCH_VERSION   1
 
 #include "alltypes.h"
 
diff --git a/src/makefile.static b/src/makefile.static
index 6be2ba9cf..2ca072062 100644
--- a/src/makefile.static
+++ b/src/makefile.static
@@ -149,7 +149,7 @@ LIBRARIAN_SHARED =	gcc -shared
 #  <libname>.X, and <libname>, where Y is the minor revision number.
 MAJOR_REV = 1
 MINOR_REV = 75
-PATCH_REV = 0
+PATCH_REV = 1
 
 #########################################################
 
diff --git a/version-notes.html b/version-notes.html
index 750c1d37a..5dcde6ae8 100644
--- a/version-notes.html
+++ b/version-notes.html
@@ -89,6 +89,13 @@ <h2 align=center>  <IMG SRC="moller52.jpg" border=1 ALIGN_MIDDLE> </h2>
 
 <pre>
 
+1.75.1  31 Jan 18
+        Simpler and more accurate function for finding word masks from
+        text image; better debugging and more thorough testing.
+        Added to regression test set: prog/italic_reg
+        Fix for potential injection attack using gplot rootdir.
+        Bug fix for bmp reading to set opacity.
+
 1.75.0  24 Jan 18
         This is a new version, for major Ubuntu release 18.04.
         $TMPDIR path rewriting turned off on Unix; only used for Windows.