diff --git a/.gitignore b/.gitignore
index 48c2f02..f75b065 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ atomix-2.14.0.tar.bz2
 /atomix-3.19.92.tar.xz
 /atomix-3.20.0.tar.xz
 /atomix-3.21.90.tar.xz
+/atomix-3.21.91.tar.xz
diff --git a/atomix.spec b/atomix.spec
index 5110ecb..4c86ec9 100644
--- a/atomix.spec
+++ b/atomix.spec
@@ -1,5 +1,5 @@
 Name:           atomix
-Version:        3.21.90
+Version:        3.21.91
 Release:        1%{?dist}
 Summary:        Puzzle game: Build molecules out of isolated atoms
 
@@ -52,6 +52,9 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/atomix.desktop
 
 
 %changelog
+* Fri Sep 02 2016 Kalev Lember <klember@redhat.com> - 3.21.91-1
+- Update to 3.21.91
+
 * Thu Aug 18 2016 Kalev Lember <klember@redhat.com> - 3.21.90-1
 - Update to 3.21.90
 - Update project URLs
diff --git a/sources b/sources
index 41a648e..f5fdbdc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-f03c04f61b341f6db06bcad8f7d7ebef  atomix-3.21.90.tar.xz
+3fdb129c838d5fb518bab7f43d72cbb4  atomix-3.21.91.tar.xz