diff --git a/abi_used_libs b/abi_used_libs
--- a/abi_used_libs
+++ b/abi_used_libs
@@ -22,9 +22,9 @@
 libXss.so.1
 libXtst.so.6
 libasound.so.2
-libavcodec.so.57
-libavformat.so.57
-libavutil.so.55
+libavcodec.so.58
+libavformat.so.58
+libavutil.so.56
 libc.so.6
 libdbus-1.so.3
 libdl.so.2
diff --git a/files/ffmpeg4.patch b/files/ffmpeg4.patch
new file mode 100644
--- /dev/null
+++ b/files/ffmpeg4.patch
@@ -0,0 +1,33 @@
+From a568ded46a678eac8139cb06595819c5ae874177 Mon Sep 17 00:00:00 2001
+From: Xiaohan Wang <xhwang@chromium.org>
+Date: Mon, 29 Jan 2018 21:28:28 +0000
+Subject: [PATCH] media: Increase DecoderBuffer::kPaddingSize to 64
+
+AV_INPUT_BUFFER_PADDING_SIZE has been increased to 64 in FFmpeg:
+https://github.com/FFmpeg/FFmpeg/commit/6e80079a2840ee407c5d126030eb1066bcbfdfc5
+
+BUG=777484
+
+Change-Id: I1bd68d1c1b0c3131f28d6e07e1444b89800c09db
+Reviewed-on: https://chromium-review.googlesource.com/889686
+Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
+Commit-Queue: Xiaohan Wang <xhwang@chromium.org>
+Cr-Commit-Position: refs/heads/master@{#532593}
+---
+ src/3rdparty/chromium/media/base/decoder_buffer.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/3rdparty/chromium/media/base/decoder_buffer.h b/src/3rdparty/chromium/media/base/decoder_buffer.h
+index 0341e5784f725..60ffba708b0e5 100644
+--- a/src/3rdparty/chromium/media/base/decoder_buffer.h
++++ b/src/3rdparty/chromium/media/base/decoder_buffer.h
+@@ -37,7 +37,7 @@ class MEDIA_EXPORT DecoderBuffer
+     : public base::RefCountedThreadSafe<DecoderBuffer> {
+  public:
+   enum {
+-    kPaddingSize = 32,
++    kPaddingSize = 64,
+ #if defined(ARCH_CPU_ARM_FAMILY)
+     kAlignmentSize = 16
+ #else
+
diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,6 +1,6 @@
 name       : qt5-webengine
 version    : 5.11.1
-release    : 21
+release    : 22
 source     :
     - https://mirrors.ocf.berkeley.edu/qt/official_releases/qt/5.11/5.11.1/submodules/qtwebengine-everywhere-src-5.11.1.tar.xz : 389d9f42ca393ac11ec8932ce9771766dec91a4c761ffb685cc429c2a760d48c
 license    :
@@ -54,6 +54,8 @@
         - /usr/lib64/qt5/examples
 setup      : |
     %patch -p1 < $pkgfiles/Fix-mismatch-of-updated-scenegraphs.patch
+    %patch -p1 < $pkgfiles/ffmpeg4.patch
+
     unset LDFLAGS
     export CXXFLAGS="${CXXFLAGS/-fexceptions/} -fno-exceptions"
     %qmake -- \
diff --git a/pspec_x86_64.xml b/pspec_x86_64.xml
--- a/pspec_x86_64.xml
+++ b/pspec_x86_64.xml
@@ -2,8 +2,8 @@
     <Source>
         <Name>qt5-webengine</Name>
         <Packager>
-            <Name>Peter O&apos;Connor</Name>
-            <Email>peter@solus-project.com</Email>
+            <Name>Pierre-Yves</Name>
+            <Email>pyu@riseup.net</Email>
         </Packager>
         <License>GPL-2.0</License>
         <License>GPL-3.0</License>
@@ -133,7 +133,7 @@
         <Description xml:lang="en">QtWebEngine integrates chromium&apos;s fast moving web capabilities into Qt
 </Description>
         <RuntimeDependencies>
-            <Dependency release="21">qt5-webengine</Dependency>
+            <Dependency release="22">qt5-webengine</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="library">/usr/lib64/qt5/examples/webengine/customdialogs/MessageRectangle.qml</Path>
@@ -336,7 +336,7 @@
 </Description>
         <PartOf>programming.devel</PartOf>
         <RuntimeDependencies>
-            <Dependency release="21">qt5-webengine</Dependency>
+            <Dependency release="22">qt5-webengine</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="header">/usr/include/QtWebEngine/5.11.1/QtWebEngine/private/qquickwebenginecertificateerror_p.h</Path>
@@ -444,12 +444,12 @@
         </Files>
     </Package>
     <History>
-        <Update release="21">
-            <Date>2018-06-23</Date>
+        <Update release="22">
+            <Date>2018-08-10</Date>
             <Version>5.11.1</Version>
             <Comment>Packaging update</Comment>
-            <Name>Peter O&apos;Connor</Name>
-            <Email>peter@solus-project.com</Email>
+            <Name>Pierre-Yves</Name>
+            <Email>pyu@riseup.net</Email>
         </Update>
     </History>
 </PISI>
\ No newline at end of file