diff --git a/.envrc b/.envrc
index fb22990..518353b 100644
--- a/.envrc
+++ b/.envrc
@@ -19,7 +19,8 @@ fi
 
 # ensure (dirty) updated flake lock
 # TODO: cache this on gitea? Run in background?
-now="$(date +%Y-%m-%d)"
+# now="$(date +%Y-%m-%d)" # daily
+now="$(date +%Y-%m--%V)" # weekly
 if [[ ! -d .direnv/tmp ]]; then
   mkdir -p .direnv/tmp
 elif command -v find >/dev/null; then