diff --git a/cronos-zkevm/external-node/cronos-zkevm-mainnet-external-node-archive.yml b/cronos-zkevm/external-node/cronos-zkevm-mainnet-external-node-archive.yml
index dea97950..6471e78b 100644
--- a/cronos-zkevm/external-node/cronos-zkevm-mainnet-external-node-archive.yml
+++ b/cronos-zkevm/external-node/cronos-zkevm-mainnet-external-node-archive.yml
@@ -3,7 +3,7 @@
 
 services:
   cronos-zkevm-mainnet-archive-client:
-    image: ${CRONOS_ZKEVM_EXTERNAL_NODE_IMAGE:-ghcr.io/cronos-labs/external-node}:${CRONOS_ZKEVM_MAINNET_EXTERNAL_NODE_VERSION:-mainnet-v25.0.0-20250123}
+    image: ${CRONOS_ZKEVM_EXTERNAL_NODE_IMAGE:-ghcr.io/cronos-labs/external-node}:${CRONOS_ZKEVM_MAINNET_EXTERNAL_NODE_VERSION:-v27.1.1}
     sysctls:
       # TCP Performance
       net.ipv4.tcp_slow_start_after_idle: 0       # Disable slow start after idle
diff --git a/cronos-zkevm/external-node/cronos-zkevm-mainnet-external-node-pruned.yml b/cronos-zkevm/external-node/cronos-zkevm-mainnet-external-node-pruned.yml
index 9b8823c7..25c755ee 100644
--- a/cronos-zkevm/external-node/cronos-zkevm-mainnet-external-node-pruned.yml
+++ b/cronos-zkevm/external-node/cronos-zkevm-mainnet-external-node-pruned.yml
@@ -3,7 +3,7 @@
 
 services:
   cronos-zkevm-mainnet-client:
-    image: ${CRONOS_ZKEVM_EXTERNAL_NODE_IMAGE:-ghcr.io/cronos-labs/external-node}:${CRONOS_ZKEVM_MAINNET_EXTERNAL_NODE_VERSION:-mainnet-v25.0.0-20250123}
+    image: ${CRONOS_ZKEVM_EXTERNAL_NODE_IMAGE:-ghcr.io/cronos-labs/external-node}:${CRONOS_ZKEVM_MAINNET_EXTERNAL_NODE_VERSION:-v27.1.1}
     sysctls:
       # TCP Performance
       net.ipv4.tcp_slow_start_after_idle: 0       # Disable slow start after idle