diff --git a/gjs-1.50.1.tar.xz b/gjs-1.50.1.tar.xz
deleted file mode 100644
index c6a7921..0000000
--- a/gjs-1.50.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:41519fd63978745d17dbccb688a55f1850a7ba72f3c86274ca985d88dbff9fdf
-size 623620
diff --git a/gjs-1.50.2.tar.xz b/gjs-1.50.2.tar.xz
new file mode 100644
index 0000000..52791c9
--- /dev/null
+++ b/gjs-1.50.2.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2fad902cf7a7806454121c03918755c646fcfd6b08b52d488987db4e2d691ff3
+size 611336
diff --git a/gjs.changes b/gjs.changes
index e67b9ac..0699e9b 100644
--- a/gjs.changes
+++ b/gjs.changes
@@ -1,3 +1,19 @@
+-------------------------------------------------------------------
+Tue Oct 31 22:54:17 UTC 2017 - luc14n0@linuxmail.org
+
+- Update to version 1.50.2:
+  + Closed bugs and merge requests:
+    * tweener: Fix a couple of warnings.
+    * legacy: Allow ES6 classes to inherit from abstract Lang.Class
+      class.
+  + Minor bugfixes.
+- Update Url to https://wiki.gnome.org/Projects/Gjs: current Gjs'
+  project web page.
+- Alignment BuildRequires with configure:
+  + Add pkgconfig(*): cairo-gobject, gio-2.0, gobject-2.0 and
+    gthread-2.0.
+  + Drop pkgconfig(libmozjs-52) and libxml2-tools.
+
 -------------------------------------------------------------------
 Tue Oct  3 18:31:18 UTC 2017 - zaitor@opensuse.org
 
diff --git a/gjs.spec b/gjs.spec
index b937015..1963e28 100644
--- a/gjs.spec
+++ b/gjs.spec
@@ -17,27 +17,29 @@
 
 
 Name:           gjs
-Version:        1.50.1
+Version:        1.50.2
 Release:        0
 # FIXME: find out if tapsets should really be in devel package or in main package
 Summary:        JavaScript bindings based on gobject-introspection and Mozilla
 License:        MIT
 Group:          Development/Libraries/GNOME
-Url:            http://live.gnome.org/Gjs
-Source:         http://download.gnome.org/sources/gjs/1.50/%{name}-%{version}.tar.xz
+Url:            https://wiki.gnome.org/Projects/Gjs
+Source:         https://download.gnome.org/sources/gjs/1.50/%{name}-%{version}.tar.xz
 BuildRequires:  gcc-c++
-BuildRequires:  libmozjs-52
-BuildRequires:  libxml2-tools
 BuildRequires:  mozjs52-devel
 BuildRequires:  pkgconfig
 BuildRequires:  python
 BuildRequires:  readline-devel
 BuildRequires:  systemtap-sdt-devel
 BuildRequires:  pkgconfig(cairo)
+BuildRequires:  pkgconfig(cairo-gobject)
 BuildRequires:  pkgconfig(cairo-xlib)
 BuildRequires:  pkgconfig(dbus-glib-1)
-BuildRequires:  pkgconfig(glib-2.0) >= 2.36.0
-BuildRequires:  pkgconfig(gobject-introspection-1.0) >= 1.53.1
+BuildRequires:  pkgconfig(gio-2.0) >= 2.50.0
+BuildRequires:  pkgconfig(glib-2.0) >= 2.50.0
+BuildRequires:  pkgconfig(gobject-2.0) >= 2.50.0
+BuildRequires:  pkgconfig(gobject-introspection-1.0) >= 1.53.4
+BuildRequires:  pkgconfig(gthread-2.0) >= 2.50.0
 BuildRequires:  pkgconfig(gtk+-3.0) >= 3.20
 BuildRequires:  pkgconfig(libffi)
 #BuildRequires:  pkgconfig(mozjs-52)
@@ -87,7 +89,7 @@ Mozilla SpiderMonkey JavaScript engine.
 %configure \
     --disable-static \
     --enable-systemtap
-make -j1 V=1
+make %{?_smp_mflags}
 
 %install
 %make_install