diff --git a/scripts/update_config.sh b/scripts/update_config.sh
index dfb3d29..f6512a5 100755
--- a/scripts/update_config.sh
+++ b/scripts/update_config.sh
@@ -10,22 +10,22 @@ PUBLIC_IP=$(curl -s https://ipinfo.io/ip)
 FILE=run/config.toml
 
 # enable sync
-sed -in-place='' 's/# \[sync\]/\[sync\]/g' $FILE
+sed -i 's/# \[sync\]/\[sync\]/g' $FILE
 # enable auto_sync
-sed -in-place='' 's/# auto_sync_enabled = false/auto_sync_enabled = true/g' $FILE
+sed -i 's/# auto_sync_enabled = false/auto_sync_enabled = true/g' $FILE
 # reduce timeout for finding peers
-sed -in-place='' 's/# find_peer_timeout = .*/find_peer_timeout = "10s"/g' $FILE
+sed -i 's/# find_peer_timeout = .*/find_peer_timeout = "10s"/g' $FILE
 # set public ip
-sed -in-place='' "s/# network_enr_address = .*/network_enr_address = \"$PUBLIC_IP\"/g" $FILE
+sed -i "s/# network_enr_address = .*/network_enr_address = \"$PUBLIC_IP\"/g" $FILE
 # set miner key
-sed -in-place='' "s/miner_key = \"\"/miner_key = \"$MINER_KEY\"/g" $FILE
+sed -i "s/miner_key = \"\"/miner_key = \"$MINER_KEY\"/g" $FILE
 # set miner contract address
-sed -in-place='' "s/mine_contract_address = .*/mine_contract_address = \"$MINE_CONTRACT\"/g" $FILE
+sed -i "s/mine_contract_address = .*/mine_contract_address = \"$MINE_CONTRACT\"/g" $FILE
 # set blockchain rpc endpoint
-sed -in-place='' "s|blockchain_rpc_endpoint = .*|blockchain_rpc_endpoint = \"$BLOCKCHAIN_RPC\"|g" $FILE
+sed -i "s|blockchain_rpc_endpoint = .*|blockchain_rpc_endpoint = \"$BLOCKCHAIN_RPC\"|g" $FILE
 # set flow contract address
-sed -in-place='' "s/log_contract_address = .*/log_contract_address = \"$FLOW_CONTRACT\"/g" $FILE
+sed -i "s/log_contract_address = .*/log_contract_address = \"$FLOW_CONTRACT\"/g" $FILE
 # set contract deployed block number
-sed -in-place='' "s/log_sync_start_block_number = .*/log_sync_start_block_number = $BLOCK_NUMBER/g" $FILE
+sed -i "s/log_sync_start_block_number = .*/log_sync_start_block_number = $BLOCK_NUMBER/g" $FILE
 # update the boot node ids
-sed -in-place='' 's|network_boot_nodes = .*|network_boot_nodes = ["/ip4/54.219.26.22/udp/1234/p2p/16Uiu2HAmTVDGNhkHD98zDnJxQWu3i1FL1aFYeh9wiQTNu4pDCgps","/ip4/52.52.127.117/udp/1234/p2p/16Uiu2HAkzRjxK2gorngB1Xq84qDrT4hSVznYDHj6BkbaE4SGx9oS","/ip4/18.167.69.68/udp/1234/p2p/16Uiu2HAm2k6ua2mGgvZ8rTMV8GhpW71aVzkQWy7D37TTDuLCpgmX"]|g' $FILE
+sed -i 's|network_boot_nodes = .*|network_boot_nodes = ["/ip4/54.219.26.22/udp/1234/p2p/16Uiu2HAmTVDGNhkHD98zDnJxQWu3i1FL1aFYeh9wiQTNu4pDCgps","/ip4/52.52.127.117/udp/1234/p2p/16Uiu2HAkzRjxK2gorngB1Xq84qDrT4hSVznYDHj6BkbaE4SGx9oS","/ip4/18.167.69.68/udp/1234/p2p/16Uiu2HAm2k6ua2mGgvZ8rTMV8GhpW71aVzkQWy7D37TTDuLCpgmX"]|g' $FILE