diff --git a/.gitignore b/.gitignore
index 0906a38..feb5549 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,3 +63,4 @@
 /webkitgtk-2.18.0.tar.xz
 /webkitgtk-2.18.1.tar.xz
 /webkitgtk-2.18.2.tar.xz
+/webkitgtk-2.18.3.tar.xz
diff --git a/sources b/sources
index 6760688..c51d45e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (webkitgtk-2.18.2.tar.xz) = 94c8ce0fcee741dc9c054fa3f8ecac9756245c623f36e6b0bb5588d12b660aaa8bbbe28e82d0f694b94b75f1985f9dbf9231a4b63832fcf4efbe7a0116c7585c
+SHA512 (webkitgtk-2.18.3.tar.xz) = 8ba68d7234205728ed4b92358304cf0d0b771647d9b4316085241adeacafe67dee685225b0b46752087b93416ce8d2053a5a7c2376fda1eee7bc6d9024ae787e
diff --git a/webkitgtk4.spec b/webkitgtk4.spec
index e96202b..9eb9cc8 100644
--- a/webkitgtk4.spec
+++ b/webkitgtk4.spec
@@ -6,7 +6,7 @@
         cp -p %1 _license_files/$(echo '%1' | sed -e 's!/!.!g')
 
 Name:           webkitgtk4
-Version:        2.18.2
+Version:        2.18.3
 Release:        1%{?dist}
 Summary:        GTK+ Web content engine library
 
@@ -270,6 +270,9 @@ make %{?_smp_mflags} -C %{_target_platform}
 %{_datadir}/gtk-doc/html/webkitdomgtk-4.0/
 
 %changelog
+* Mon Nov 13 2017 Tomas Popela <tpopela@redhat.com> - 2.18.3-1
+- Update to 2.18.3
+
 * Fri Oct 27 2017 Tomas Popela <tpopela@redhat.com> - 2.18.2-1
 - Update to 2.18.2