diff --git a/build b/build
index a402386..9215ad4 100755
--- a/build
+++ b/build
@@ -280,8 +280,20 @@ task_ci() {
 }
 
 task_archive() {
+	task_begin "Preparing to archive";
+	archive mv vendor vendor.bak;
+	execute "${cache_dir}/composer" install --no-dev;
+	task_end $?;
+	
+	task_begin "Packing archive";
 	# We include the data directory here because we assume that this task is ONLY run in a CI environment, so it should only contain the default setup generated by an earlier task.
-	execute tar cafv "${ARCHIVE}/Air-Quality-Web.tar.gz" app/ __nightdocs/ lib/ logic/ vendor/ data/ *.php *.md LICENSE version settings.default.toml
+	execute tar cafv "${ARCHIVE}/Air-Quality-Web.tar.gz" app/ __nightdocs/ lib/ logic/ vendor/ data/ *.php *.md LICENSE version settings.default.toml;
+	task_end $?;
+	
+	task_begin "Cleaning up";
+	execute rm -rf vendor;
+	execute mv vendor.bak vendor;
+	task_end $?;
 }