diff --git a/.env b/.env
index 1cfa51d..0987d37 100644
--- a/.env
+++ b/.env
@@ -1,7 +1,7 @@
 # Env variables for metal-01.he-eu-hel1.wakusim.misc host.
 NWAKU_IMAGE=quay.io/wakuorg/nwaku-pr:2759-rln-v2
 # Network scaling.
-NUM_NWAKU_NODES=25
+NUM_NWAKU_NODES=40