diff --git a/Makefile b/Makefile
index 49e9436..ea03e9d 100644
--- a/Makefile
+++ b/Makefile
@@ -116,6 +116,7 @@ build : $(lw_source_dir)
 
 package :
 	(cd $(lw_source_dir) && ./mach package)
+	(cd $(lw_source_dir) && cat browser/locales/shipped-locales | xargs ./mach package-multi-locale --locales)
 	cp -v $(lw_source_dir)/obj-*/dist/librewolf-$(version)-$(release).en-US.*.tar.bz2 .
 
 run :
diff --git a/assets/mozconfig.new b/assets/mozconfig.new
index 751c264..c2a8d81 100644
--- a/assets/mozconfig.new
+++ b/assets/mozconfig.new
@@ -16,6 +16,8 @@ ac_add_options --with-branding=browser/branding/librewolf
 
 ac_add_options --with-unsigned-addon-scopes=app,system
 
+ac_add_options --with-l10n-base=$PWD/browser/locales/l10n
+
 export MOZ_REQUIRE_SIGNING=
 
 mk_add_options MOZ_CRASHREPORTER=0
diff --git a/scripts/generate-locales.sh b/scripts/generate-locales.sh
new file mode 100755
index 0000000..7d3b29e
--- /dev/null
+++ b/scripts/generate-locales.sh
@@ -0,0 +1,49 @@
+#!/usr/bin/bash
+
+if [ ! -f browser/locales/shipped-locales ]; then
+  echo "ERROR: Run this script from the root of the LibreWolf source code"
+  exit 1
+fi
+
+rm -rf browser/locales/l10n
+mkdir browser/locales/l10n
+
+N=8
+for i in $(seq $N); do echo; done
+total=$(wc -l < browser/locales/shipped-locales)
+
+echo_status() {
+  printf "\033[$((($N - $n) + 1))A$@ %40s\r\033[$((($N - $n) + 1))B"
+}
+
+generate_locale() {
+  if echo " en-US ca ja " | grep -q " $1 "; then
+    echo_status "Skipping locale \"$1\""
+    sleep 1
+    echo_status
+    return
+  fi
+  echo_status "Downloading locale \"$1\""
+  wget -q -O browser/locales/l10n/$1.zip https://hg.mozilla.org/l10n-central/$1/archive/tip.zip
+  echo_status "Extracting locale \"$1\""
+  unzip -qo browser/locales/l10n/$1.zip -d browser/locales/l10n/
+  mv browser/locales/l10n/$1-*/ browser/locales/l10n/$1/
+  rm -f browser/locales/l10n/$1.zip
+  echo_status "Generating locale \"$1\""
+  mv browser/locales/l10n/$1/browser/branding/official browser/locales/l10n/$1/browser/branding/librewolf
+  find browser/locales/l10n/$1 -type f -exec sed -i -e 's/Mozilla Firefox/LibreWolf/g' {} \;
+  find browser/locales/l10n/$1 -type f -exec sed -i -e 's/Mozilla/LibreWolf/g' {} \;
+  find browser/locales/l10n/$1 -type f -exec sed -i -e 's/Firefox/LibreWolf/g' {} \;
+  echo_status "Done"
+  sleep 0.3
+  echo_status
+}
+
+while read in; do
+  ((n=n%N)); ((n++==0)) && wait
+  generate_locale $in &
+done < browser/locales/shipped-locales
+
+wait
+
+printf "\033[$(($N))A\rGenerated $total locales %-40s\n"
diff --git a/scripts/librewolf-patches.py b/scripts/librewolf-patches.py
index 06a7924..edaeee1 100755
--- a/scripts/librewolf-patches.py
+++ b/scripts/librewolf-patches.py
@@ -126,6 +126,9 @@ def librewolf_patches():
     for file in ["browser/config/version.txt", "browser/config/version_display.txt"]:
         with open(file, "w") as f:
             f.write("{}-{}".format(version,release))
+
+    # generate locales
+    exec("bash ../scripts/generate-locales.sh")
     
     leave_srcdir()