diff --git a/.gitignore b/.gitignore
index bb452c9..2cf9e5a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-SOURCES/qtscript-everywhere-src-5.11.1.tar.xz
+SOURCES/qtscript-everywhere-src-5.12.5.tar.xz
diff --git a/.qt5-qtscript.metadata b/.qt5-qtscript.metadata
index e22e68e..3548d6c 100644
--- a/.qt5-qtscript.metadata
+++ b/.qt5-qtscript.metadata
@@ -1 +1 @@
-3bfe48cda8c8a78c7ad1348cd7f01d56fcce6686 SOURCES/qtscript-everywhere-src-5.11.1.tar.xz
+b0ea73055dea6f2173e4547b5759435f6070b24e SOURCES/qtscript-everywhere-src-5.12.5.tar.xz
diff --git a/SOURCES/qtscript-everywhere-src-5.12.1-s390.patch b/SOURCES/qtscript-everywhere-src-5.12.1-s390.patch
new file mode 100644
index 0000000..76a7abb
--- /dev/null
+++ b/SOURCES/qtscript-everywhere-src-5.12.1-s390.patch
@@ -0,0 +1,31 @@
+diff -up qtscript-everywhere-src-5.12.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h.s390 qtscript-everywhere-src-5.12.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
+--- qtscript-everywhere-src-5.12.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h.s390	2019-01-09 06:59:11.000000000 -0600
++++ qtscript-everywhere-src-5.12.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h	2019-02-15 08:57:27.684231337 -0600
+@@ -226,6 +226,18 @@
+ #define WTF_CPU_SPARC 1
+ #endif
+ 
++/* CPU(S390X) - S390 64-bit */
++#if defined(__s390x__)
++#define WTF_CPU_S390X 1
++#define WTF_CPU_BIG_ENDIAN 1
++#endif
++
++/* CPU(S390) - S390 32-bit */
++#if defined(__s390__) && !defined(__s390x__)
++#define WTF_CPU_S390 1
++#define WTF_CPU_BIG_ENDIAN 1
++#endif
++
+ /* CPU(X86) - i386 / x86 32-bit */
+ #if   defined(__i386__) \
+     || defined(i386)     \
+@@ -960,7 +972,7 @@
+ #if !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32) && !defined(WTF_USE_JSVALUE32_64)
+ #if (CPU(X86_64) && !CPU(X32) && (OS(UNIX) || OS(WINDOWS) || OS(SOLARIS) || OS(HPUX))) || (CPU(IA64) && !CPU(IA64_32)) || CPU(ALPHA) || CPU(AIX64) || CPU(SPARC64) || CPU(MIPS64) || CPU(AARCH64) || CPU(RISCV64)
+ #define WTF_USE_JSVALUE64 1
+-#elif CPU(ARM) || CPU(PPC64) || CPU(RISCV32)
++#elif CPU(ARM) || CPU(PPC64) || CPU(RISCV32) || CPU(S390X)
+ #define WTF_USE_JSVALUE32 1
+ #elif OS(WINDOWS) && COMPILER(MINGW)
+ /* Using JSVALUE32_64 causes padding/alignement issues for JITStubArg
diff --git a/SOURCES/qtscript-opensource-src-5.5.0-s390.patch b/SOURCES/qtscript-opensource-src-5.5.0-s390.patch
deleted file mode 100644
index e7871f4..0000000
--- a/SOURCES/qtscript-opensource-src-5.5.0-s390.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-diff -up qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h.s390 qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
---- qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h.s390	2015-06-29 15:05:58.000000000 -0500
-+++ qtscript-opensource-src-5.5.0/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h	2015-07-16 09:57:18.963167137 -0500
-@@ -226,6 +226,18 @@
- #define WTF_CPU_SPARC 1
- #endif
- 
-+/* CPU(S390X) - S390 64-bit */
-+#if defined(__s390x__)
-+#define WTF_CPU_S390X 1
-+#define WTF_CPU_BIG_ENDIAN 1
-+#endif
-+
-+/* CPU(S390) - S390 32-bit */
-+#if defined(__s390__) && !defined(__s390x__)
-+#define WTF_CPU_S390 1
-+#define WTF_CPU_BIG_ENDIAN 1
-+#endif
-+
- /* CPU(X86) - i386 / x86 32-bit */
- #if   defined(__i386__) \
-     || defined(i386)     \
-@@ -950,7 +962,7 @@
- #if !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32) && !defined(WTF_USE_JSVALUE32_64)
- #if (CPU(X86_64) && !CPU(X32) && (OS(UNIX) || OS(WINDOWS) || OS(SOLARIS) || OS(HPUX))) || (CPU(IA64) && !CPU(IA64_32)) || CPU(ALPHA) || CPU(AIX64) || CPU(SPARC64) || CPU(MIPS64) || CPU(AARCH64)
- #define WTF_USE_JSVALUE64 1
--#elif CPU(ARM) || CPU(PPC64)
-+#elif CPU(ARM) || CPU(PPC64) || CPU(S390X)
- #define WTF_USE_JSVALUE32 1
- #elif OS(WINDOWS) && COMPILER(MINGW)
- /* Using JSVALUE32_64 causes padding/alignement issues for JITStubArg
diff --git a/SPECS/qt5-qtscript.spec b/SPECS/qt5-qtscript.spec
index 798acbb..da7e3d8 100644
--- a/SPECS/qt5-qtscript.spec
+++ b/SPECS/qt5-qtscript.spec
@@ -5,17 +5,19 @@
 ## currently includes no tests
 %if !0%{?bootstrap}
 # skip slower archs for now
-%ifnarch %{arm} aarch64
+%ifnarch %{arm}
 %global tests 1
 %endif
 %endif
 
 %global qt_module qtscript
 
+%global build_tests 1
+
 Summary: Qt5 - QtScript component
 Name:    qt5-%{qt_module}
-Version: 5.11.1
-Release: 2%{?dist}
+Version: 5.12.5
+Release: 1%{?dist}
 
 # See LGPL_EXCEPTIONS.txt, LICENSE.GPL3, respectively, for exception details
 License: LGPLv2 with exceptions or GPLv3 with exceptions
@@ -24,7 +26,7 @@ Url:     http://www.qt.io
 Source0: https://download.qt.io/official_releases/qt/%{majmin}/%{version}/submodules/%{qt_module}-everywhere-src-%{version}.tar.xz
 
 # add s390(x0 support to Platform.h (taken from webkit)
-Patch0: qtscript-opensource-src-5.5.0-s390.patch
+Patch100: qtscript-everywhere-src-5.12.1-s390.patch
 
 BuildRequires: gcc-c++
 BuildRequires: qt5-qtbase-devel
@@ -60,11 +62,17 @@ Requires: %{name}%{?_isa} = %{version}-%{release}
 %description examples
 %{summary}.
 
+%if 0%{?build_tests}
+%package tests
+Summary: Unit tests for %{name}
+Requires: %{name}%{?_isa} = %{version}-%{release}
 
-%prep
-%setup -q -n %{qt_module}-everywhere-src-%{version}
+%description tests
+%{summary}.
+%endif
 
-%patch0 -p1 -b .s390
+%prep
+%autosetup -n %{qt_module}-everywhere-src-%{version} -p1
 
 
 %build
@@ -78,10 +86,26 @@ export CXXFLAGS="$RPM_OPT_FLAGS -O1"
 
 %make_build
 
+%if 0%{?build_tests}
+make sub-tests %{?_smp_mflags} -k ||:
+%endif
 
 %install
 %make_install INSTALL_ROOT=%{buildroot}
 
+%if 0%{?build_tests}
+# Install tests for gating
+mkdir -p %{buildroot}%{_qt5_libdir}/qt5
+find ./tests -not -path '*/\.*' -type d | while read LINE
+do
+    mkdir -p "%{buildroot}%{_qt5_libdir}/qt5/$LINE"
+done
+find ./tests -not -path '*/\.*' -not -name '*.h' -not -name '*.cpp' -not -name '*.pro' -not -name 'uic_wrapper.sh' -not -name 'Makefile' -not -name 'target_wrapper.sh' -type f | while read LINE
+do
+    cp -r --parents "$LINE" %{buildroot}%{_qt5_libdir}/qt5/
+done
+%endif
+
 ## .prl file love (maybe consider just deleting these -- rex
 # nuke dangling reference(s) to %%buildroot, excessive (.la-like) libs
 sed -i \
@@ -135,8 +159,16 @@ fi
 %files examples
 %{_qt5_examplesdir}/
 
+%if 0%{?build_tests}
+%files tests
+%{_qt5_libdir}/qt5/tests
+%endif
 
 %changelog
+* Mon Nov 18 2019 Jan Grulich <jgrulich@redhat.com> - 5.12.5-1
+- 5.12.5
+  Resolves: bz#1733147
+
 * Mon Dec 10 2018 Jan Grulich <jgrulich@redhat.com> - 5.11.1-2
 - Rebuild to fix CET notes
   Resolves: bz#1657247