diff --git a/scripts/devnet/.env b/scripts/devnet/.env
index 1ec6b23e7b18..cc0432fdf75a 100644
--- a/scripts/devnet/.env
+++ b/scripts/devnet/.env
@@ -1,4 +1,4 @@
-LOTUS_IMAGE=ghcr.io/chainsafe/lotus-devnet:2025-09-08-b9a0bb4 
+LOTUS_IMAGE=filecoin/lotus-all-in-one:v1.34.3-2k
 FOREST_DATA_DIR=/forest_data
 LOTUS_DATA_DIR=/lotus_data
 FIL_PROOFS_PARAMETER_CACHE=/var/tmp/filecoin-proof-parameters
diff --git a/scripts/devnet/docker-compose.yml b/scripts/devnet/docker-compose.yml
index 07572cab1104..24e40b94bd40 100644
--- a/scripts/devnet/docker-compose.yml
+++ b/scripts/devnet/docker-compose.yml
@@ -51,10 +51,9 @@ services:
       lotus_init:
         condition: service_completed_successfully
     healthcheck:
-      test: >-
-        curl -s -x post -h "content-type: application/json"
-        --data '{ "jsonrpc": "2.0", "method": "filecoin.chainhead", "params": [], "id": 1 }'
-        http://lotus_node:${LOTUS_RPC_PORT}/rpc/v0 || exit 1
+      test: |
+        export FULLNODE_API_INFO="/ip4/127.0.0.1/tcp/${LOTUS_RPC_PORT}/http"
+        lotus chain head || exit 1
       interval: 10s
       retries: 10
       timeout: 5s