diff --git a/ethereum/besu/ethereum-mainnet-besu-pruned-bonsai--nimbus.yml b/ethereum/besu/ethereum-mainnet-besu-pruned-bonsai--nimbus.yml
index 22b378ee..3857f2e6 100644
--- a/ethereum/besu/ethereum-mainnet-besu-pruned-bonsai--nimbus.yml
+++ b/ethereum/besu/ethereum-mainnet-besu-pruned-bonsai--nimbus.yml
@@ -30,7 +30,7 @@ x-logging-defaults: &logging-defaults
 
 services:
   ethereum-mainnet-besu:
-    image: ${ETHEREUM_BESU_IMAGE:-hyperledger/besu}:${ETHEREUM_MAINNET_BESU_VERSION:-26.5.0}
+    image: ${ETHEREUM_BESU_IMAGE:-hyperledger/besu}:${ETHEREUM_MAINNET_BESU_VERSION:-26.6.1}
     sysctls:
       # TCP Performance
       net.ipv4.tcp_slow_start_after_idle: 0       # Disable slow start after idle