diff --git a/op/geth/superseed-sepolia-op-geth-pruned-pebble-path.yml b/op/geth/superseed-sepolia-op-geth-pruned-pebble-path.yml
index 0538fd8d..3b513a24 100644
--- a/op/geth/superseed-sepolia-op-geth-pruned-pebble-path.yml
+++ b/op/geth/superseed-sepolia-op-geth-pruned-pebble-path.yml
@@ -127,6 +127,7 @@ services:
       - OP_NODE_METRICS_PORT=7300
       - OP_NODE_OVERRIDE_GRANITE=1725984001
       - OP_NODE_OVERRIDE_HOLOCENE=1732633200
+      - OP_NODE_OVERRIDE_KARST=1781712000
       - OP_NODE_OVERRIDE_PECTRABLOBSCHEDULE=1742486400
       - OP_NODE_P2P_ADVERTISE_IP=${IP}
       - OP_NODE_P2P_BOOTNODES=enode://c9fb471294f243ce4aa32f8987d743fed73fa109013996f169f81914efd2a76762f2f142bd6dcc147afe342c752a587e06ef2ea1418c99ff757986242e372f3d@34.105.58.183:9222?discport=30301,enode://d25ce99435982b04d60c4b41ba256b84b888626db7bee45a9419382300fbe907359ae5ef250346785bff8d3b9d07cd3e017a27e2ee3cfda3bcbb0ba762ac9674@bootnode.conduit.xyz:0?discport=30301,enode://2d4e7e9d48f4dd4efe9342706dd1b0024681bd4c3300d021f86fc75eab7865d4e0cbec6fbc883f011cfd6a57423e7e2f6e104baad2b744c3cafaec6bc7dc92c1@34.65.43.171:0?discport=30305,enode://9d7a3efefe442351217e73b3a593bcb8efffb55b4807699972145324eab5e6b382152f8d24f6301baebbfb5ecd4127bd3faab2842c04cd432bdf50ba092f6645@34.65.109.126:0?discport=30305
diff --git a/op/reth/superseed-sepolia-op-reth-pruned-trace.yml b/op/reth/superseed-sepolia-op-reth-pruned-trace.yml
index 0c0b4de0..c6a83b9f 100644
--- a/op/reth/superseed-sepolia-op-reth-pruned-trace.yml
+++ b/op/reth/superseed-sepolia-op-reth-pruned-trace.yml
@@ -30,7 +30,7 @@ x-logging-defaults: &logging-defaults
 
 services:
   superseed-sepolia-op-reth-pruned:
-    image: ${SUPERSEED_RETH_IMAGE:-ghcr.io/conduitxyz/conduit-op-reth}:${SUPERSEED_SEPOLIA_RETH_VERSION:-latest}
+    image: ${SUPERSEED_RETH_IMAGE:-ghcr.io/conduitxyz/conduit-op-reth}:${SUPERSEED_SEPOLIA_RETH_VERSION:-v2.1.0}
     sysctls:
       # TCP Performance
       net.ipv4.tcp_slow_start_after_idle: 0       # Disable slow start after idle
@@ -128,6 +128,7 @@ services:
       - OP_NODE_METRICS_PORT=7300
       - OP_NODE_OVERRIDE_GRANITE=1725984001
       - OP_NODE_OVERRIDE_HOLOCENE=1732633200
+      - OP_NODE_OVERRIDE_KARST=1781712000
       - OP_NODE_OVERRIDE_PECTRABLOBSCHEDULE=1742486400
       - OP_NODE_P2P_ADVERTISE_IP=${IP}
       - OP_NODE_P2P_BOOTNODES=enode://c9fb471294f243ce4aa32f8987d743fed73fa109013996f169f81914efd2a76762f2f142bd6dcc147afe342c752a587e06ef2ea1418c99ff757986242e372f3d@34.105.58.183:9222?discport=30301,enode://d25ce99435982b04d60c4b41ba256b84b888626db7bee45a9419382300fbe907359ae5ef250346785bff8d3b9d07cd3e017a27e2ee3cfda3bcbb0ba762ac9674@bootnode.conduit.xyz:0?discport=30301,enode://2d4e7e9d48f4dd4efe9342706dd1b0024681bd4c3300d021f86fc75eab7865d4e0cbec6fbc883f011cfd6a57423e7e2f6e104baad2b744c3cafaec6bc7dc92c1@34.65.43.171:0?discport=30305,enode://9d7a3efefe442351217e73b3a593bcb8efffb55b4807699972145324eab5e6b382152f8d24f6301baebbfb5ecd4127bd3faab2842c04cd432bdf50ba092f6645@34.65.109.126:0?discport=30305