diff --git a/helpers/DATA/firefox/patch_changes/011-temp_fix_for_ppc64el_missing_fallback_value.patch b/helpers/DATA/firefox/patch_changes/011-temp_fix_for_ppc64el_missing_fallback_value.patch
new file mode 100644
index 0000000..11da591
--- /dev/null
+++ b/helpers/DATA/firefox/patch_changes/011-temp_fix_for_ppc64el_missing_fallback_value.patch
@@ -0,0 +1,13 @@
+diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
+index ee506bd6..7e12ca68 100644
+--- a/modules/libpref/init/StaticPrefList.yaml
++++ b/modules/libpref/init/StaticPrefList.yaml
+@@ -12461,6 +12461,8 @@
+   type: RelaxedAtomicBool
+ #if defined(MOZ_AV1)
+   value: true
++#else
++  value: false
+ #endif
+   mirror: always
+ 
diff --git a/helpers/make-firefox b/helpers/make-firefox
index 1fb522d..33400eb 100644
--- a/helpers/make-firefox
+++ b/helpers/make-firefox
@@ -19,7 +19,7 @@
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
 
-VERSION=120.14
+VERSION=121
 EXTERNAL='deb-src http://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu $UPSTREAM main'
 REPOKEY=9BDB3D89CE49EC21