diff --git a/.abf.yml b/.abf.yml
index dc1b7c0..c2f7243 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,2 @@
 sources:
-  atk-2.26.1.tar.xz: 78f33bdbacbc447c86a357690417c1b70e7664fc
+  atk-2.28.1.tar.xz: aff82397db3b3121c4c01eba0904c9355347c6be
diff --git a/atk1.0.spec b/atk1.0.spec
index 88c423c..8266f85 100644
--- a/atk1.0.spec
+++ b/atk1.0.spec
@@ -11,7 +11,7 @@
 
 Summary:	Accessibility features for Gtk+
 Name:		%{pkgname}%{api}
-Version:	2.26.1
+Version:	2.28.1
 Release:	1
 License:	LGPLv2.1+
 Group:		Accessibility