diff --git a/.github/scripts/app/build_windows.sh b/.github/scripts/app/build_windows.sh
index 2bb0c545f..63b37be0c 100644
--- a/.github/scripts/app/build_windows.sh
+++ b/.github/scripts/app/build_windows.sh
@@ -8,4 +8,7 @@
 #     $ start ./test/support/notebooks/basic.livemd
 set -e
 
+mix local.hex --force --if-missing
+mix local.rebar --force --if-missing
+MIX_ENV=prod MIX_TARGET=app mix deps.get --only prod
 MIX_ENV=prod MIX_TARGET=app mix release app --overwrite
diff --git a/app_bundler/mix.lock b/app_bundler/mix.lock
new file mode 100644
index 000000000..6f4c60c80
--- /dev/null
+++ b/app_bundler/mix.lock
@@ -0,0 +1,3 @@
+%{
+  "libpe": {:hex, :libpe, "1.1.2", "16337b414c690e0ee9c49fe917b059622f001c399303102b98900c05c229cd9a", [:mix], [], "hexpm", "31df0639fafb603b20078c8db9596c8984f35a151c64ec2e483d9136ff9f428c"},
+}