diff --git a/.gitignore b/.gitignore
index 8fe14d6..915b84f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /firefox-91.0esr.source.tar.xz
+/firefox-91.1.0esr.source.tar.xz
diff --git a/mozjs91.spec b/mozjs91.spec
index 140dd6f..a945c85 100644
--- a/mozjs91.spec
+++ b/mozjs91.spec
@@ -18,7 +18,7 @@
 %endif
 
 Name:           mozjs%{major}
-Version:        91.0
+Version:        91.1.0
 Release:        1%{?dist}
 Summary:        SpiderMonkey JavaScript library
 
@@ -246,5 +246,8 @@ ln -s libmozjs-%{major}.so.0 %{buildroot}%{_libdir}/libmozjs-%{major}.so
 %{_includedir}/mozjs-%{major}/
 
 %changelog
+* Mon Sep 20 2021 Frantisek Zatloukal <fzatlouk@redhat.com> - 91.1.0-1
+- mozjs91-91.1.0
+
 * Mon Aug 09 2021 Frantisek Zatloukal <fzatlouk@redhat.com> - 91.0-1
 - Initial mozjs91 package based on mozjs78
diff --git a/sources b/sources
index ccbc731..31c836b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (firefox-91.0esr.source.tar.xz) = e518e1536094a1da44eb45b3b0f3adc1b5532f17da2dbcc994715419ec4fcec40574fdf633349a8e5de6382942f5706757a35f1b96b11de4754855b9cf7946ae
+SHA512 (firefox-91.1.0esr.source.tar.xz) = dad0249eb2ce66eb90ff5daf0dfb63105a19790dd45661d977f7cc889644e86b33b9b0c472f46d4032ae2e4fe02c2cf69d552156fb0ad4cf77a15b3542556ed3