diff --git a/libpng-1.6.28-apng.patch b/libpng-1.6.29-apng.patch
similarity index 95%
rename from libpng-1.6.28-apng.patch
rename to libpng-1.6.29-apng.patch
index 95929dd..9dad1bb 100644
--- a/libpng-1.6.28-apng.patch
+++ b/libpng-1.6.29-apng.patch
@@ -1,7 +1,7 @@
-diff -Naru libpng-1.6.28.org/png.h libpng-1.6.28/png.h
---- libpng-1.6.28.org/png.h	2017-01-06 07:54:14.001821909 +0900
-+++ libpng-1.6.28/png.h	2017-01-06 07:52:51.552368347 +0900
-@@ -359,6 +359,10 @@
+diff -Naru libpng-1.6.29.org/png.h libpng-1.6.29/png.h
+--- libpng-1.6.29.org/png.h	2017-03-23 20:32:44.633865246 +0900
++++ libpng-1.6.29/png.h	2017-03-23 20:32:44.681864878 +0900
+@@ -361,6 +361,10 @@
  #   include "pnglibconf.h"
  #endif
  
@@ -12,7 +12,7 @@ diff -Naru libpng-1.6.28.org/png.h libpng-1.6.28/png.h
  #ifndef PNG_VERSION_INFO_ONLY
  /* Machine specific configuration. */
  #  include "pngconf.h"
-@@ -454,6 +458,17 @@
+@@ -456,6 +460,17 @@
   * See pngconf.h for base types that vary by machine/system
   */
  
@@ -30,7 +30,7 @@ diff -Naru libpng-1.6.28.org/png.h libpng-1.6.28/png.h
  /* This triggers a compiler error in png.c, if png.c and png.h
   * do not agree upon the version number.
   */
-@@ -774,6 +789,10 @@
+@@ -776,6 +791,10 @@
  #define PNG_INFO_sPLT 0x2000U  /* ESR, 1.0.6 */
  #define PNG_INFO_sCAL 0x4000U  /* ESR, 1.0.6 */
  #define PNG_INFO_IDAT 0x8000U  /* ESR, 1.0.6 */
@@ -41,7 +41,7 @@ diff -Naru libpng-1.6.28.org/png.h libpng-1.6.28/png.h
  
  /* This is used for the transformation routines, as some of them
   * change these values for the row.  It also should enable using
-@@ -811,6 +830,10 @@
+@@ -813,6 +832,10 @@
  #ifdef PNG_PROGRESSIVE_READ_SUPPORTED
  typedef PNG_CALLBACK(void, *png_progressive_info_ptr, (png_structp, png_infop));
  typedef PNG_CALLBACK(void, *png_progressive_end_ptr, (png_structp, png_infop));
@@ -52,7 +52,7 @@ diff -Naru libpng-1.6.28.org/png.h libpng-1.6.28/png.h
  
  /* The following callback receives png_uint_32 row_number, int pass for the
   * png_bytep data of the row.  When transforming an interlaced image the
-@@ -3239,6 +3262,74 @@
+@@ -3244,6 +3267,74 @@
  /*******************************************************************************
   *  END OF HARDWARE AND SOFTWARE OPTIONS
   ******************************************************************************/
@@ -127,7 +127,7 @@ diff -Naru libpng-1.6.28.org/png.h libpng-1.6.28/png.h
  
  /* Maintainer: Put new public prototypes here ^, in libpng.3, in project
   * defs, and in scripts/symbols.def.
-@@ -3248,7 +3339,11 @@
+@@ -3253,7 +3344,11 @@
   * one to use is one more than this.)
   */
  #ifdef PNG_EXPORT_LAST_ORDINAL
@@ -139,9 +139,9 @@ diff -Naru libpng-1.6.28.org/png.h libpng-1.6.28/png.h
  #endif
  
  #ifdef __cplusplus
-diff -Naru libpng-1.6.28.org/pngget.c libpng-1.6.28/pngget.c
---- libpng-1.6.28.org/pngget.c	2017-01-06 07:13:10.613993529 +0900
-+++ libpng-1.6.28/pngget.c	2017-01-06 07:52:51.542368413 +0900
+diff -Naru libpng-1.6.29.org/pngget.c libpng-1.6.29/pngget.c
+--- libpng-1.6.29.org/pngget.c	2017-03-23 20:32:44.633865246 +0900
++++ libpng-1.6.29/pngget.c	2017-03-23 20:32:44.681864878 +0900
 @@ -1216,4 +1216,166 @@
  #  endif
  #endif
@@ -309,9 +309,9 @@ diff -Naru libpng-1.6.28.org/pngget.c libpng-1.6.28/pngget.c
 +}
 +#endif /* PNG_APNG_SUPPORTED */
  #endif /* READ || WRITE */
-diff -Naru libpng-1.6.28.org/pnginfo.h libpng-1.6.28/pnginfo.h
---- libpng-1.6.28.org/pnginfo.h	2017-01-06 07:13:10.613993529 +0900
-+++ libpng-1.6.28/pnginfo.h	2017-01-06 07:52:51.542368413 +0900
+diff -Naru libpng-1.6.29.org/pnginfo.h libpng-1.6.29/pnginfo.h
+--- libpng-1.6.29.org/pnginfo.h	2017-03-23 20:32:44.634865239 +0900
++++ libpng-1.6.29/pnginfo.h	2017-03-23 20:32:44.681864878 +0900
 @@ -255,5 +255,18 @@
     png_bytepp row_pointers;        /* the image bits */
  #endif
@@ -331,9 +331,9 @@ diff -Naru libpng-1.6.28.org/pnginfo.h libpng-1.6.28/pnginfo.h
 +
  };
  #endif /* PNGINFO_H */
-diff -Naru libpng-1.6.28.org/pngpread.c libpng-1.6.28/pngpread.c
---- libpng-1.6.28.org/pngpread.c	2017-01-06 07:13:10.614993523 +0900
-+++ libpng-1.6.28/pngpread.c	2017-01-06 07:52:51.542368413 +0900
+diff -Naru libpng-1.6.29.org/pngpread.c libpng-1.6.29/pngpread.c
+--- libpng-1.6.29.org/pngpread.c	2017-03-23 20:32:44.634865239 +0900
++++ libpng-1.6.29/pngpread.c	2017-03-23 20:32:44.682864871 +0900
 @@ -194,6 +194,106 @@
  
     chunk_name = png_ptr->chunk_name;
@@ -594,10 +594,10 @@ diff -Naru libpng-1.6.28.org/pngpread.c libpng-1.6.28/pngpread.c
  png_voidp PNGAPI
  png_get_progressive_ptr(png_const_structrp png_ptr)
  {
-diff -Naru libpng-1.6.28.org/pngpriv.h libpng-1.6.28/pngpriv.h
---- libpng-1.6.28.org/pngpriv.h	2017-01-06 07:13:10.614993523 +0900
-+++ libpng-1.6.28/pngpriv.h	2017-01-06 07:52:51.542368413 +0900
-@@ -567,6 +567,10 @@
+diff -Naru libpng-1.6.29.org/pngpriv.h libpng-1.6.29/pngpriv.h
+--- libpng-1.6.29.org/pngpriv.h	2017-03-23 20:32:44.634865239 +0900
++++ libpng-1.6.29/pngpriv.h	2017-03-23 20:32:44.682864871 +0900
+@@ -616,6 +616,10 @@
  #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000U /* Have another chunk after IDAT */
                     /*             0x4000U (unused) */
  #define PNG_IS_READ_STRUCT        0x8000U /* Else is a write struct */
@@ -608,7 +608,7 @@ diff -Naru libpng-1.6.28.org/pngpriv.h libpng-1.6.28/pngpriv.h
  
  /* Flags for the transformations the PNG library does on the image data */
  #define PNG_BGR                 0x0001U
-@@ -802,6 +806,16 @@
+@@ -851,6 +855,16 @@
  #define png_tRNS PNG_U32(116,  82,  78,  83)
  #define png_zTXt PNG_U32(122,  84,  88, 116)
  
@@ -625,7 +625,7 @@ diff -Naru libpng-1.6.28.org/pngpriv.h libpng-1.6.28/pngpriv.h
  /* The following will work on (signed char*) strings, whereas the get_uint_32
   * macro will fail on top-bit-set values because of the sign extension.
   */
-@@ -1528,6 +1542,47 @@
+@@ -1609,6 +1623,47 @@
      */
  #endif
  
@@ -673,9 +673,9 @@ diff -Naru libpng-1.6.28.org/pngpriv.h libpng-1.6.28/pngpriv.h
  /* Added at libpng version 1.4.0 */
  #ifdef PNG_COLORSPACE_SUPPORTED
  /* These internal functions are for maintaining the colorspace structure within
-diff -Naru libpng-1.6.28.org/pngread.c libpng-1.6.28/pngread.c
---- libpng-1.6.28.org/pngread.c	2017-01-06 07:13:10.615993516 +0900
-+++ libpng-1.6.28/pngread.c	2017-01-06 07:52:51.543368407 +0900
+diff -Naru libpng-1.6.29.org/pngread.c libpng-1.6.29/pngread.c
+--- libpng-1.6.29.org/pngread.c	2017-03-23 20:32:44.635865231 +0900
++++ libpng-1.6.29/pngread.c	2017-03-23 20:32:44.683864863 +0900
 @@ -161,6 +161,9 @@
  
        else if (chunk_name == png_IDAT)
@@ -777,9 +777,9 @@ diff -Naru libpng-1.6.28.org/pngread.c libpng-1.6.28/pngread.c
  /* Optional call to update the users info_ptr structure */
  void PNGAPI
  png_read_update_info(png_structrp png_ptr, png_inforp info_ptr)
-diff -Naru libpng-1.6.28.org/pngrutil.c libpng-1.6.28/pngrutil.c
---- libpng-1.6.28.org/pngrutil.c	2017-01-06 07:54:14.001821909 +0900
-+++ libpng-1.6.28/pngrutil.c	2017-01-06 07:52:51.543368407 +0900
+diff -Naru libpng-1.6.29.org/pngrutil.c libpng-1.6.29/pngrutil.c
+--- libpng-1.6.29.org/pngrutil.c	2017-03-23 20:32:44.636865223 +0900
++++ libpng-1.6.29/pngrutil.c	2017-03-23 20:32:44.684864855 +0900
 @@ -861,6 +861,11 @@
     filter_type = buf[11];
     interlace_type = buf[12];
@@ -1111,9 +1111,9 @@ diff -Naru libpng-1.6.28.org/pngrutil.c libpng-1.6.28/pngrutil.c
 +#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 +#endif /* PNG_READ_APNG_SUPPORTED */
  #endif /* READ */
-diff -Naru libpng-1.6.28.org/pngset.c libpng-1.6.28/pngset.c
---- libpng-1.6.28.org/pngset.c	2017-01-06 07:13:10.617993502 +0900
-+++ libpng-1.6.28/pngset.c	2017-01-06 07:52:51.548368374 +0900
+diff -Naru libpng-1.6.29.org/pngset.c libpng-1.6.29/pngset.c
+--- libpng-1.6.29.org/pngset.c	2017-03-23 20:32:44.636865223 +0900
++++ libpng-1.6.29/pngset.c	2017-03-23 20:32:44.684864855 +0900
 @@ -241,6 +241,11 @@
     info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth);
  
@@ -1274,9 +1274,9 @@ diff -Naru libpng-1.6.28.org/pngset.c libpng-1.6.28/pngset.c
  #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
  static png_byte
  check_location(png_const_structrp png_ptr, int location)
-diff -Naru libpng-1.6.28.org/pngstruct.h libpng-1.6.28/pngstruct.h
---- libpng-1.6.28.org/pngstruct.h	2017-01-06 07:54:14.002821902 +0900
-+++ libpng-1.6.28/pngstruct.h	2017-01-06 07:52:51.544368400 +0900
+diff -Naru libpng-1.6.29.org/pngstruct.h libpng-1.6.29/pngstruct.h
+--- libpng-1.6.29.org/pngstruct.h	2017-03-23 20:32:44.636865223 +0900
++++ libpng-1.6.29/pngstruct.h	2017-03-23 20:32:44.684864855 +0900
 @@ -403,6 +403,27 @@
     png_byte filter_type;
  #endif
@@ -1305,9 +1305,9 @@ diff -Naru libpng-1.6.28.org/pngstruct.h libpng-1.6.28/pngstruct.h
  /* New members added in libpng-1.2.0 */
  
  /* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
-diff -Naru libpng-1.6.28.org/pngtest.c libpng-1.6.28/pngtest.c
---- libpng-1.6.28.org/pngtest.c	2017-01-06 07:54:14.002821902 +0900
-+++ libpng-1.6.28/pngtest.c	2017-01-06 07:52:51.545368393 +0900
+diff -Naru libpng-1.6.29.org/pngtest.c libpng-1.6.29/pngtest.c
+--- libpng-1.6.29.org/pngtest.c	2017-03-23 20:32:44.637865216 +0900
++++ libpng-1.6.29/pngtest.c	2017-03-23 20:32:44.684864855 +0900
 @@ -874,6 +874,10 @@
     volatile int num_passes;
     int pass;
@@ -1453,9 +1453,9 @@ diff -Naru libpng-1.6.28.org/pngtest.c libpng-1.6.28/pngtest.c
     for (pass = 0; pass < num_passes; pass++)
     {
  #     ifdef calc_pass_height
-diff -Naru libpng-1.6.28.org/pngwrite.c libpng-1.6.28/pngwrite.c
---- libpng-1.6.28.org/pngwrite.c	2017-01-06 07:13:10.618993495 +0900
-+++ libpng-1.6.28/pngwrite.c	2017-01-06 07:52:51.546368387 +0900
+diff -Naru libpng-1.6.29.org/pngwrite.c libpng-1.6.29/pngwrite.c
+--- libpng-1.6.29.org/pngwrite.c	2017-03-23 20:32:44.637865216 +0900
++++ libpng-1.6.29/pngwrite.c	2017-03-23 20:32:44.685864847 +0900
 @@ -128,6 +128,10 @@
         * the application continues writing the PNG.  So check the 'invalid'
         * flag here too.
@@ -1523,10 +1523,10 @@ diff -Naru libpng-1.6.28.org/pngwrite.c libpng-1.6.28/pngwrite.c
  
  #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED
  /* Initialize the write structure - general purpose utility. */
-diff -Naru libpng-1.6.28.org/pngwutil.c libpng-1.6.28/pngwutil.c
---- libpng-1.6.28.org/pngwutil.c	2017-01-06 07:13:10.619993488 +0900
-+++ libpng-1.6.28/pngwutil.c	2017-01-06 07:52:51.546368387 +0900
-@@ -817,6 +817,11 @@
+diff -Naru libpng-1.6.29.org/pngwutil.c libpng-1.6.29/pngwutil.c
+--- libpng-1.6.29.org/pngwutil.c	2017-03-23 20:32:44.638865208 +0900
++++ libpng-1.6.29/pngwutil.c	2017-03-23 20:32:44.685864847 +0900
+@@ -822,6 +822,11 @@
     /* Write the chunk */
     png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13);
  
@@ -1538,7 +1538,7 @@ diff -Naru libpng-1.6.28.org/pngwutil.c libpng-1.6.28/pngwutil.c
     if ((png_ptr->do_filter) == PNG_NO_FILTERS)
     {
        if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE ||
-@@ -998,7 +1003,14 @@
+@@ -1003,7 +1008,14 @@
                 optimize_cmf(data, png_image_size(png_ptr));
  #endif
  
@@ -1553,7 +1553,7 @@ diff -Naru libpng-1.6.28.org/pngwutil.c libpng-1.6.28/pngwutil.c
           png_ptr->mode |= PNG_HAVE_IDAT;
  
           png_ptr->zstream.next_out = data;
-@@ -1044,7 +1056,15 @@
+@@ -1049,7 +1061,15 @@
              optimize_cmf(data, png_image_size(png_ptr));
  #endif
  
@@ -1569,7 +1569,7 @@ diff -Naru libpng-1.6.28.org/pngwutil.c libpng-1.6.28/pngwutil.c
           png_ptr->zstream.avail_out = 0;
           png_ptr->zstream.next_out = NULL;
           png_ptr->mode |= PNG_HAVE_IDAT | PNG_AFTER_IDAT;
-@@ -1858,6 +1878,82 @@
+@@ -1863,6 +1883,82 @@
  }
  #endif
  
@@ -1652,7 +1652,7 @@ diff -Naru libpng-1.6.28.org/pngwutil.c libpng-1.6.28/pngwutil.c
  /* Initializes the row writing capability of libpng */
  void /* PRIVATE */
  png_write_start_row(png_structrp png_ptr)
-@@ -2752,4 +2848,39 @@
+@@ -2757,4 +2853,39 @@
     }
  #endif /* WRITE_FLUSH */
  }
@@ -1692,9 +1692,9 @@ diff -Naru libpng-1.6.28.org/pngwutil.c libpng-1.6.28/pngwutil.c
 +}
 +#endif /* PNG_WRITE_APNG_SUPPORTED */
  #endif /* WRITE */
-diff -Naru libpng-1.6.28.org/scripts/symbols.def libpng-1.6.28/scripts/symbols.def
---- libpng-1.6.28.org/scripts/symbols.def	2017-01-06 07:54:14.003821895 +0900
-+++ libpng-1.6.28/scripts/symbols.def	2017-01-06 07:52:51.546368387 +0900
+diff -Naru libpng-1.6.29.org/scripts/symbols.def libpng-1.6.29/scripts/symbols.def
+--- libpng-1.6.29.org/scripts/symbols.def	2017-03-23 20:32:44.642865177 +0900
++++ libpng-1.6.29/scripts/symbols.def	2017-03-23 20:32:44.690864809 +0900
 @@ -250,3 +250,23 @@
   png_get_palette_max @243
   png_set_option @244
diff --git a/libpng.spec b/libpng.spec
index a09a801..219a8cd 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -1,6 +1,6 @@
 %define apiver %(echo %version | cut -d. -f1-2 | tr -d .)
 Name:          libpng
-Version:       1.6.28
+Version:       1.6.29
 Release:       1mamba
 Summary:       A library of functions for manipulating PNG image format files
 Group:         System/Libraries
@@ -126,6 +126,9 @@ ln -s libpng%{apiver}.so %{buildroot}%{_prefix}/lib/libpng.so
 %endif
 
 %changelog
+* Thu Mar 30 2017 Automatic Build System <autodist@mambasoft.it> 1.6.29-1mamba
+- automatic version update by autodist
+
 * Sun Jan 08 2017 Automatic Build System <autodist@mambasoft.it> 1.6.28-1mamba
 - automatic version update by autodist