diff --git a/gjs.spec b/gjs.spec
index 36eb6b4..5e60467 100644
--- a/gjs.spec
+++ b/gjs.spec
@@ -1,6 +1,6 @@
 %define majver %(echo %version | cut -d. -f1-2)
 Name:          gjs
-Version:       1.52.3
+Version:       1.53.4
 Release:       1mamba
 Summary:       GNOME JavaScript bindings based on gobject-introspection
 Group:         System/Libraries
@@ -48,6 +48,7 @@ BuildRequires: libuuid-devel
 BuildRequires: libxcb-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libmozjs-devel >= 52.6.0
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
@@ -118,6 +119,9 @@ This package contains libraries and header files for developing applications tha
 #%doc NEWS README
 
 %changelog
+* Wed Dec 12 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 1.53.4-1mamba
+- update to 1.53.4
+
 * Mon Aug 13 2018 Automatic Build System <autodist@mambasoft.it> 1.52.3-1mamba
 - automatic version update by autodist