diff --git a/wakusim.env b/wakusim.env
index 4a51453..88ec794 100644
--- a/wakusim.env
+++ b/wakusim.env
@@ -1,5 +1,5 @@
 # Env variables for metal-01.he-eu-hel1.wakusim.misc host.
-NWAKU_IMAGE=wakuorg/nwaku:latest
+NWAKU_IMAGE=harbor.status.im/wakuorg/nwaku@sha256:713e8f1ada7b78316d75f5061fb94deeb7c463588bfd1c79267ef084cab6c049
 GOWAKU_IMAGE=wakuorg/go-waku:v0.8.0
 # Network scaling.
 NUM_NWAKU_NODES=50
@@ -11,4 +11,4 @@ TRAFFIC_DELAY_SECONDS=15
 # Enable automatic Docker image updates.
 WATCHTOWER_ENABLED=true
 # Anvil RPC Node external IP and port
-RPC_URL=http://foundry:8545
\ No newline at end of file
+RPC_URL=http://foundry:8545