diff --git a/backend/scripts/_env b/backend/scripts/_env
index 7e13dcf421..42f38a494c 100644
--- a/backend/scripts/_env
+++ b/backend/scripts/_env
@@ -34,6 +34,7 @@ export PENPOT_FLAGS="\
        disable-tiered-file-data-storage \
        enable-file-validation \
        enable-file-schema-validation \
+       enable-redis-cache \
        enable-subscriptions";
 
 # Default deletion delay for devenv