diff --git a/ansible/inventories/devnet-4/group_vars/all/images.yaml b/ansible/inventories/devnet-4/group_vars/all/images.yaml
index 4d661cb..8552af0 100644
--- a/ansible/inventories/devnet-4/group_vars/all/images.yaml
+++ b/ansible/inventories/devnet-4/group_vars/all/images.yaml
@@ -6,7 +6,7 @@ default_ethereum_client_images:
   prysm: docker.ethquokkaops.io/dh/ethpandaops/prysm-beacon-chain:peerDAS-01705d1
   prysm_validator: docker.ethquokkaops.io/dh/ethpandaops/prysm-validator:peerDAS-01705d1
   teku: docker.ethquokkaops.io/dh/ethpandaops/teku:nashatyrev-das-7109573
-  grandine: docker.ethquokkaops.io/dh/ethpandaops/grandine:peerdas-fulu-42f5a82
+  grandine: docker.ethquokkaops.io/dh/ethpandaops/grandine:peerdas-fulu-c4e3807
 ### Execution layer clients
   besu: docker.ethquokkaops.io/dh/hyperledger/besu:latest
   geth: docker.ethquokkaops.io/dh/ethereum/client-go:latest
diff --git a/ansible/inventories/devnet-4/inventory.ini b/ansible/inventories/devnet-4/inventory.ini
index 386ded7..2558645 100755
--- a/ansible/inventories/devnet-4/inventory.ini
+++ b/ansible/inventories/devnet-4/inventory.ini
@@ -85,8 +85,8 @@ execution_node
 [goomy:children]
 bootnode
 
-[tx_fuzz_blobs:children]
+[tx_fuzz_blobs]
 lighthouse-geth-1
 
-[tx_fuzz_txs:children]
+[tx_fuzz_txs]
 teku-geth-1
\ No newline at end of file