diff --git a/chromium-53.0.2785.143-undef_MADV_FREE.patch b/chromium-53.0.2785.143-undef_MADV_FREE.patch
new file mode 100644
index 0000000..74a028b
--- /dev/null
+++ b/chromium-53.0.2785.143-undef_MADV_FREE.patch
@@ -0,0 +1,14 @@
+--- /chromium/third_party/WebKit/Source/wtf/allocator/PageAllocator.cpp	2016-08-03 21:02:37.000000000 +0200
++++ /chromium/third_party/WebKit/Source/wtf/allocator/PageAllocator.cpp	2016-08-14 10:59:51.395354850 +0200
+@@ -41,6 +41,11 @@
+ #include <errno.h>
+ #include <sys/mman.h>
+ 
++#if OS(LINUX) && defined(MADV_FREE)
++// Added in Linux 4.5, but we don't want to depend on 4.5 at runtime
++#undef MADV_FREE
++#endif
++
+ #ifndef MADV_FREE
+ #define MADV_FREE MADV_DONTNEED
+ #endif
diff --git a/chromium-53.0.2785.16-cups-2.2.0.patch b/chromium-53.0.2785.16-cups-2.2.0.patch
new file mode 100644
index 0000000..4c7f7eb
--- /dev/null
+++ b/chromium-53.0.2785.16-cups-2.2.0.patch
@@ -0,0 +1,12 @@
+diff --git a/printing/backend/print_backend_cups.cc b/printing/backend/print_backend_cups.cc
+index 8bacfd7..b469a1c 100644
+--- a/printing/backend/print_backend_cups.cc
++++ b/printing/backend/print_backend_cups.cc
+@@ -4,6 +4,7 @@
+ 
+ #include "printing/backend/print_backend_cups.h"
+ 
++#include <cups/ppd.h>
+ #include <dlfcn.h>
+ #include <errno.h>
+ #include <pthread.h>
diff --git a/chromium.spec b/chromium.spec
index 85fd33d..f2421c6 100644
--- a/chromium.spec
+++ b/chromium.spec
@@ -1,7 +1,7 @@
 Name:          chromium
 Epoch:         3
-Version:       52.0.2743.116
-Release:       1mamba
+Version:       53.0.2785.143
+Release:       2mamba
 Summary:       An open-source browser project that aims to build a safer, faster, and more stable way to experience the web
 Group:         Graphical Desktop/Applications/Internet
 Vendor:        openmamba
@@ -9,7 +9,8 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.chromium.org
 # Note:
-# we usually package the stable release. you may find the latest version number here: http://googlechromereleases.blogspot.it/"
+# we usually package the stable release. you may find the latest version number here:
+# http://googlechromereleases.blogspot.it/
 # Find latest release starting here:
 # http://gsdview.appspot.com/chromium-browser-official/?marker=chromium-21.0.1168.0.tar.bz
 Source:        http://gsdview.appspot.com/chromium-browser-official/chromium-%{version}.tar.xz
@@ -36,7 +37,9 @@ Patch18:       chromium-34.0.1847.137-gnome-keyring-3.12.patch
 Patch19:       chromium-37.0.2062.120-chrome-wrapper-pepper-flash.patch
 Patch20:       chromium-45.0.2454.101-fix-boringssl-posix.patch
 Patch21:       chromium-46.0.2490.86-buildfix.patch
-Patch22:        chromium-51.0.2704.106-PNGImageDecoder.patch
+Patch22:       chromium-51.0.2704.106-PNGImageDecoder.patch
+Patch23:       chromium-53.0.2785.16-cups-2.2.0.patch
+Patch24:       chromium-53.0.2785.143-undef_MADV_FREE.patch
 License:       BSD
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: libGConf-devel
@@ -195,7 +198,9 @@ Chromium is an open-source browser project that aims to build a safer, faster, a
 #%patch18 -p2
 %patch19 -p1
 %patch21 -p1
-%patch22 -p1
+#%patch22 -p1
+%patch23 -p1
+%patch24 -p2
 #(
 #cd third_party/boringssl/src/
 #%patch20 -p1
@@ -459,6 +464,24 @@ fi
 %{_mandir}/man1/chromium.1*
 
 %changelog
+* Mon Oct 17 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 53.0.2785.143-2mamba
+- added patch to fix startup problem with kernels >= 4.5 (https://bugzilla.redhat.com/show_bug.cgi?id=1361157)
+
+* Sat Oct 01 2016 Automatic Build System <autodist@mambasoft.it> 53.0.2785.143-1mamba
+- automatic version update by autodist
+
+* Thu Sep 29 2016 Automatic Build System <autodist@mambasoft.it> 53.0.2785.116-1mamba
+- automatic version update by autodist
+
+* Fri Sep 09 2016 Automatic Build System <autodist@mambasoft.it> 53.0.2785.101-1mamba
+- automatic version update by autodist
+
+* Sat Sep 03 2016 Automatic Build System <autodist@mambasoft.it> 53.0.2785.92-1mamba
+- automatic version update by autodist
+
+* Fri Sep 02 2016 Automatic Build System <autodist@mambasoft.it> 53.0.2785.89-1mamba
+- automatic version update by autodist
+
 * Sun Aug 21 2016 Automatic Build System <autodist@mambasoft.it> 52.0.2743.116-1mamba
 - automatic version update by autodist