diff --git a/.gitattributes b/.gitattributes
index a21ce3334f..3754bf3595 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,3 @@
-*.sql text eol=lf
-app/win/zotero.exe.tar.xz filter=lfs diff=lfs merge=lfs -text
+*.sql text eol=lf
+app/win/zotero.exe.tar.xz filter=lfs diff=lfs merge=lfs -text
+app/mac/updater.tar.xz filter=lfs diff=lfs merge=lfs -text
diff --git a/app/build.sh b/app/build.sh
index 88d3162a0f..bb8bb3b862 100755
--- a/app/build.sh
+++ b/app/build.sh
@@ -480,7 +480,7 @@ if [ $BUILD_MAC == 1 ]; then
 
 	# Use our own updater, because Mozilla's requires updates signed by Mozilla
 	cd "$CONTENTSDIR/MacOS"
-	tar -xjf "$CALLDIR/mac/updater.tar.bz2"
+	tar xf "$CALLDIR/mac/updater.tar.xz"
 
 	# Modify Info.plist
 	perl -pi -e "s/\{\{VERSION\}\}/$VERSION/" "$CONTENTSDIR/Info.plist"
diff --git a/app/mac/build-and-unify b/app/mac/build-and-unify
index 6601d88b0d..4f4bc9435a 100755
--- a/app/mac/build-and-unify
+++ b/app/mac/build-and-unify
@@ -55,3 +55,9 @@ $mach python "$GECKO_PATH/toolkit/mozapps/installer/unify.py" x64/*.app aarch64/
 cp x64/$fx_app_name/Contents/MacOS/firefox zotero
 xz zotero
 mv zotero.xz "$APP_ROOT_DIR/mac/zotero.xz"
+
+# Uncomment to build updater
+#cd x64/$fx_app_name/Contents/MacOS/
+#"$APP_ROOT_DIR/mac/updater_renamer"
+#cat updater.app/Contents/Resources/English.lproj/InfoPlist.strings
+#tar cfvJ "$APP_ROOT_DIR/mac/updater.tar.xz" updater.app/
diff --git a/app/mac/mozconfig b/app/mac/mozconfig
index 96b45de79e..b78bb5dec5 100644
--- a/app/mac/mozconfig
+++ b/app/mac/mozconfig
@@ -25,3 +25,6 @@ export RELEASE_OR_BETA=1
 MOZ_REQUIRE_SIGNING=
 
 ac_add_options --enable-official-branding
+
+# Build updater without MAR signature verification
+ac_add_options --disable-verify-mar
diff --git a/app/mac/updater.tar.bz2 b/app/mac/updater.tar.bz2
deleted file mode 100644
index 60a8289579..0000000000
Binary files a/app/mac/updater.tar.bz2 and /dev/null differ
diff --git a/app/mac/updater.tar.xz b/app/mac/updater.tar.xz
new file mode 100644
index 0000000000..1451d049cc
--- /dev/null
+++ b/app/mac/updater.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53642619a815ae1c848dfb6f33e1e528db74edc39b3a692b6f312cace640c437
+size 92884
diff --git a/app/mac/updater_renamer b/app/mac/updater_renamer
new file mode 100755
index 0000000000..52d5b42eae
--- /dev/null
+++ b/app/mac/updater_renamer
@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+
+# Convert localized app name from  "Firefox Software Update" to "Zotero Software Update"
+#
+# plist is UTF-16
+f='updater.app/Contents/Resources/English.lproj/InfoPlist.strings'
+with open(f, 'r', encoding='utf-16') as inputfile:
+    newText = inputfile.read().replace('Firefox', 'Zotero')
+with open(f, 'w', encoding='utf-16') as outputfile:
+    outputfile.write(newText)