diff --git a/.gitignore b/.gitignore
index 5892b74..a6587c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /firefox-91.5.0esr.source.tar.xz
 /firefox-91.6.0esr.source.tar.xz
 /firefox-91.7.0esr.source.tar.xz
+/firefox-91.8.0esr.source.tar.xz
diff --git a/mozjs91.spec b/mozjs91.spec
index e15e1f8..b862efc 100644
--- a/mozjs91.spec
+++ b/mozjs91.spec
@@ -18,7 +18,7 @@
 %endif
 
 Name:           mozjs%{major}
-Version:        91.7.0
+Version:        91.8.0
 Release:        1%{?dist}
 Summary:        SpiderMonkey JavaScript library
 
@@ -244,6 +244,9 @@ ln -s libmozjs-%{major}.so.0 %{buildroot}%{_libdir}/libmozjs-%{major}.so
 %{_includedir}/mozjs-%{major}/
 
 %changelog
+* Sat Apr 09 2022 Frantisek Zatloukal <fzatlouk@redhat.com> - 91.8.0-1
+- mozjs91-91.8.0
+
 * Tue Mar 08 2022 Frantisek Zatloukal <fzatlouk@redhat.com> - 91.7.0-1
 - mozjs91-91.7.0
 
diff --git a/sources b/sources
index 906dd49..f031a5b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (firefox-91.7.0esr.source.tar.xz) = 925811989d8a91d826ba356bd46ac54be8153288ec0319c28d2bfbe89191e62e107691159dd7ca247253e2a4952eb59a5b9613e3feea3f5351238d4822e26301
+SHA512 (firefox-91.8.0esr.source.tar.xz) = edea2c7d4d3d0322091b20b623019ef041090d9f89f33c8e3140f66a54624261f278257393db70d2038154de8ee02da0bee6ecf85c281f3558338da71fc173c3