diff --git a/build-resources.PL b/build-resources.PL
index 0d7b515258..ec7c13b6d5 100755
--- a/build-resources.PL
+++ b/build-resources.PL
@@ -32,7 +32,7 @@ This helper script ensures that src JS and SCSS files are compiled for packaging
 
 =cut
 
-my $install_command = "yarn install";
+my $install_command = "yarn install --frozen-lockfile";
 system($install_command);
 
 my $build_command = "yarn build:prod";