diff --git a/desktop/toolkit/qt5/qt5-webkit/files/qtwebkit-5.6.2-icu-59.patch b/desktop/toolkit/qt5/qt5-webkit/files/qtwebkit-5.6.2-icu-59.patch
new file mode 100644
index 0000000000..2a2709b34c
--- /dev/null
+++ b/desktop/toolkit/qt5/qt5-webkit/files/qtwebkit-5.6.2-icu-59.patch
@@ -0,0 +1,92 @@
+From bf172ae289a1348842005a9421797970f9b72060 Mon Sep 17 00:00:00 2001
+From: Konstantin Tokarev <annulen@yandex.ru>
+Date: Thu, 4 May 2017 15:12:37 +0300
+Subject: [PATCH] Fix compilation with ICU 59
+
+Upstream fix: https://bugs.webkit.org/show_bug.cgi?id=171612
+
+Task-number: QTBUG-60532
+Change-Id: I6014feea213aa70ebe40b09d9d1a03fd1ed3c843
+Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
+---
+ Source/JavaScriptCore/API/JSStringRef.cpp        | 6 +++---
+ Source/JavaScriptCore/runtime/DateConversion.cpp | 3 ++-
+ Source/WTF/wtf/TypeTraits.h                      | 3 +++
+ Source/WebKit2/Shared/API/c/WKString.cpp         | 2 +-
+ 4 files changed, 9 insertions(+), 5 deletions(-)
+
+diff --git a/Source/JavaScriptCore/API/JSStringRef.cpp b/Source/JavaScriptCore/API/JSStringRef.cpp
+index 812f3d413..77a3fd0f4 100644
+--- a/Source/JavaScriptCore/API/JSStringRef.cpp
++++ b/Source/JavaScriptCore/API/JSStringRef.cpp
+@@ -37,7 +37,7 @@ using namespace WTF::Unicode;
+ JSStringRef JSStringCreateWithCharacters(const JSChar* chars, size_t numChars)
+ {
+     initializeThreading();
+-    return OpaqueJSString::create(chars, numChars).leakRef();
++    return OpaqueJSString::create(reinterpret_cast<const UChar*>(chars), numChars).leakRef();
+ }
+ 
+ JSStringRef JSStringCreateWithUTF8CString(const char* string)
+@@ -62,7 +62,7 @@ JSStringRef JSStringCreateWithUTF8CString(const char* string)
+ JSStringRef JSStringCreateWithCharactersNoCopy(const JSChar* chars, size_t numChars)
+ {
+     initializeThreading();
+-    return OpaqueJSString::create(StringImpl::createWithoutCopying(chars, numChars, WTF::DoesNotHaveTerminatingNullCharacter)).leakRef();
++    return OpaqueJSString::create(StringImpl::createWithoutCopying(reinterpret_cast<const UChar*>(chars), numChars, WTF::DoesNotHaveTerminatingNullCharacter)).leakRef();
+ }
+ 
+ JSStringRef JSStringRetain(JSStringRef string)
+@@ -83,7 +83,7 @@ size_t JSStringGetLength(JSStringRef string)
+ 
+ const JSChar* JSStringGetCharactersPtr(JSStringRef string)
+ {
+-    return string->characters();
++    return reinterpret_cast<const JSChar*>(string->characters());
+ }
+ 
+ size_t JSStringGetMaximumUTF8CStringSize(JSStringRef string)
+diff --git a/Source/JavaScriptCore/runtime/DateConversion.cpp b/Source/JavaScriptCore/runtime/DateConversion.cpp
+index 0b57f012d..05e27338b 100644
+--- a/Source/JavaScriptCore/runtime/DateConversion.cpp
++++ b/Source/JavaScriptCore/runtime/DateConversion.cpp
+@@ -107,7 +107,8 @@ String formatDateTime(const GregorianDateTime& t, DateTimeFormat format, bool as
+ #if OS(WINDOWS)
+             TIME_ZONE_INFORMATION timeZoneInformation;
+             GetTimeZoneInformation(&timeZoneInformation);
+-            const WCHAR* timeZoneName = t.isDST() ? timeZoneInformation.DaylightName : timeZoneInformation.StandardName;
++            const WCHAR* winTimeZoneName = t.isDST() ? timeZoneInformation.DaylightName : timeZoneInformation.StandardName;
++            String timeZoneName(reinterpret_cast<const UChar*>(winTimeZoneName));
+ #else
+             struct tm gtm = t;
+             char timeZoneName[70];
+diff --git a/Source/WTF/wtf/TypeTraits.h b/Source/WTF/wtf/TypeTraits.h
+index 9df2c95cf..f5d6121fd 100644
+--- a/Source/WTF/wtf/TypeTraits.h
++++ b/Source/WTF/wtf/TypeTraits.h
+@@ -72,6 +72,9 @@ namespace WTF {
+     template<> struct IsInteger<unsigned long>      { static const bool value = true; };
+     template<> struct IsInteger<long long>          { static const bool value = true; };
+     template<> struct IsInteger<unsigned long long> { static const bool value = true; };
++#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(_HAS_CHAR16_T_LANGUAGE_SUPPORT) && _HAS_CHAR16_T_LANGUAGE_SUPPORT)
++    template<> struct IsInteger<char16_t>           { static const bool value = true; };
++#endif
+ #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
+     template<> struct IsInteger<wchar_t>            { static const bool value = true; };
+ #endif
+diff --git a/Source/WebKit2/Shared/API/c/WKString.cpp b/Source/WebKit2/Shared/API/c/WKString.cpp
+index cbac67dd8..23400a64e 100644
+--- a/Source/WebKit2/Shared/API/c/WKString.cpp
++++ b/Source/WebKit2/Shared/API/c/WKString.cpp
+@@ -55,7 +55,7 @@ size_t WKStringGetLength(WKStringRef stringRef)
+ size_t WKStringGetCharacters(WKStringRef stringRef, WKChar* buffer, size_t bufferLength)
+ {
+     COMPILE_ASSERT(sizeof(WKChar) == sizeof(UChar), WKStringGetCharacters_sizeof_WKChar_matches_UChar);
+-    return (toImpl(stringRef)->getCharacters(static_cast<UChar*>(buffer), bufferLength));
++    return (toImpl(stringRef)->getCharacters(reinterpret_cast<UChar*>(buffer), bufferLength));
+ }
+ 
+ size_t WKStringGetMaximumUTF8CStringSize(WKStringRef stringRef)
+-- 
+2.13.1
+
diff --git a/desktop/toolkit/qt5/qt5-webkit/pspec.xml b/desktop/toolkit/qt5/qt5-webkit/pspec.xml
index 2a8130feab..40f7b2c535 100644
--- a/desktop/toolkit/qt5/qt5-webkit/pspec.xml
+++ b/desktop/toolkit/qt5/qt5-webkit/pspec.xml
@@ -60,7 +60,7 @@
             <Patch level="1">qtwebkit-opensource-src-5.0.1-debuginfo.patch</Patch>
             <Patch level="1">qtwebkit-opensource-src-5.2.0-save_memory.patch</Patch>
             <Patch level="1">qtwebkit-opensource-src-5.2.1-no_rpath.patch</Patch>
-            <Patch>qtwebkit-5.9.0-icu_59-1.patch</Patch>
+            <Patch>qtwebkit-5.6.2-icu-59.patch</Patch>
             <Patch level="1">webkit_qt_hide_symbols.diff</Patch>
         </Patches>
     </Source>
@@ -133,7 +133,7 @@
 
     <History>
         <Update release="7">
-            <Date>2018-02-01</Date>
+            <Date>2018-02-02</Date>
             <Version>5.9.0</Version>
             <Comment>Version bump.</Comment>
             <Name>Ayhan Yalçınsoy</Name>