diff --git a/scripts/upgrade b/scripts/upgrade
index d46766b..511f98a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -114,6 +114,9 @@ then
 
 	# Download, check integrity, uncompress and patch the source from app.src
 	ynh_setup_source --dest_dir="$final_path" --keep="config/packages/local.yaml var/invoices/ var/data/"
+	pushd "$final_path"
+		ynh_exec_as $app php$YNH_PHP_VERSION bin/console cache:clear --env=prod
+		popd
 fi
 
 chmod 750 "$final_path"