diff --git a/.gitignore b/.gitignore
index a8b6c13..7fb8a96 100644
--- a/.gitignore
+++ b/.gitignore
@@ -163,3 +163,4 @@ gtk+-2.90.5.tar.bz2
 /gtk+-3.22.18.tar.xz
 /gtk+-3.22.19.tar.xz
 /gtk+-3.22.20.tar.xz
+/gtk+-3.22.21.tar.xz
diff --git a/gtk3.spec b/gtk3.spec
index 6791ce6..244f408 100644
--- a/gtk3.spec
+++ b/gtk3.spec
@@ -21,7 +21,7 @@
 %global __provides_exclude_from ^%{_libdir}/gtk-3.0
 
 Name: gtk3
-Version: 3.22.20
+Version: 3.22.21
 Release: 1%{?dist}
 Summary: GTK+ graphical user interface library
 
@@ -340,6 +340,9 @@ gtk-query-immodules-3.0-%{__isa_bits} --update-cache &>/dev/null || :
 %{_datadir}/installed-tests
 
 %changelog
+* Mon Sep 11 2017 Kalev Lember <klember@redhat.com> - 3.22.21-1
+- Update to 3.22.21
+
 * Tue Sep 05 2017 Kalev Lember <klember@redhat.com> - 3.22.20-1
 - Update to 3.22.20
 
diff --git a/sources b/sources
index 21181b9..47c885c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gtk+-3.22.20.tar.xz) = 2b59ba9b9a5c4c79d06c0189597f2a57acb7fa8edc9d82a5ea7a56afc4bad6c85fc97aa0a5ae0a49a45d24b4cb5ae4ab77aba4d28f90142011cb0d77b4c0accc
+SHA512 (gtk+-3.22.21.tar.xz) = 478ea741e14eb54a6092ab343a5b66aa0d5369c5a1bb31b73a23ef7240d8ae432d87e04d5be1f1a500da77c52cc89639b06772f8c2831562b950aa5d4e045fad