diff --git a/base_requirements.txt b/base_requirements.txt
index f983f7e..36aea18 100644
--- a/base_requirements.txt
+++ b/base_requirements.txt
@@ -4,13 +4,13 @@ eth-erc20==0.7.3
 eth-erc721==0.2.1
 eth-erc712==0.0.1
 ccw==0.0.6
-eth-accounts-index==0.5.2
+eth-accounts-index==0.5.3
 eth-contract-registry==0.11.0
 erc20-faucet==0.8.0
 eth-address-index==0.7.3
 eth-token-index==0.6.1
-eth-faucet==0.3.4
+eth-faucet==0.3.5
 erc20-transfer-authorization==0.5.0
-erc20-demurrage-token==0.5.2
+erc20-demurrage-token==0.5.3
 eth-interface==0.1.1
 #cic-contracts==0.2.0
diff --git a/boot.sh b/boot.sh
index d1e0b53..cf6c664 100644
--- a/boot.sh
+++ b/boot.sh
@@ -3,12 +3,6 @@ CHAIN_SPEC=${CHAIN_SPEC:-evm:celo:1337:celo}
 KEY_FILE=${KEY_FILE:-keyfile.json}
 RPC_DIALECT=${RPC_DIALECT:-chainlib_eth_celo}
 
-TOKEN_NAME="TrainingVoucher"
-TOKEN_SYMBOL=TRN
-TOKEN_DECIMALS=6
-TOKEN_DEMURRAGE=20000
-TOKEN_PERIOD=43200
-TOKEN_SINK_ADDRESS=${TOKEN_SINK_ADDRESS:-Eb3907eCad74a0013c259D5874AE7f22DcBcC95C}
 # 30 * 20000000010 * 100000
 GAS_FAUCET_AMOUNT=${GAS_FAUCET_AMOUNT:-60000000030000000}
 # 5 * 20000000010 * 100000
@@ -31,9 +25,6 @@ writer=$(eth-checksum $writer)
 >&2 echo writer: $writer
 >&2 echo datadir: $t
 
-# publish a voucher token
-token=$(erc20-demurrage-token-publish --name $TOKEN_NAME --symbol $TOKEN_SYMBOL --decimals $TOKEN_DECIMALS --demurrage-level $TOKEN_DEMURRAGE --redistribution-period $TOKEN_PERIOD --sink-address $TOKEN_SINK_ADDRESS -y $KEY_FILE --fee-limit 6000000 -s -w $log | tee $t/token.txt)
- 
 # account registry
 accounts=$(eth-accounts-index-publish -y $KEY_FILE --fee-limit 2000000 -s -w $log | tee $t/accounts.txt)
 
@@ -64,20 +55,19 @@ if [ ! -z "$GAS_FAUCET_PERIOD" ]; then
 fi
 
 eth-encode -y $KEY_FILE --mode tx --signature addWriter a:$writer -e $(eth-checksum $accounts) --fee-limit 100000 -s -w $log
-eth-encode -y $KEY_FILE --mode tx --signature addWriter a:$writer -e $(eth-checksum $token) --fee-limit 100000 -s -w $log
 eth-encode -y $KEY_FILE --mode tx --signature addWriter a:$writer -e $(eth-checksum $index) --fee-limit 100000 -s -w $log
 
 # publish custodial registration proxy
-proxy=$(ge-custodial-registration-proxy-publish -y $KEY_FILE --fee-limit 2000000 -s -w $log --eth-faucet-address $gasfaucet --account-index-address $accounts --training-voucher-address $token --system-account-address $publisher | tee $t/proxy.txt)
+proxy=$(ge-custodial-registration-proxy-publish -y $KEY_FILE --fee-limit 2000000 -s -w $log --eth-faucet-address $gasfaucet --account-index-address $accounts --system-account-address $publisher | tee $t/proxy.txt)
 
 # publish contract registry
-contracts=$(eth-contract-registry-publish -y $KEY_FILE  --fee-limit 2000000 -s -w $log --identifier TrainingVoucher --identifier AccountIndex --identifier TokenIndex --identifier GasFaucet --identifier CustodialRegistrationProxy | tee $t/contracts.txt)
+contracts=$(eth-contract-registry-publish -y $KEY_FILE  --fee-limit 2000000 -s -w $log --identifier PeriodBackend --identifier AccountIndex --identifier TokenIndex --identifier GasFaucet --identifier CustodialRegistrationProxy | tee $t/contracts.txt)
 contracts=$(eth-checksum $contracts)
 
-eth-contract-registry-set -y $KEY_FILE  --fee-limit 100000 -s -w $log -e $contracts -a $(eth-checksum $token) TrainingVoucher
 eth-contract-registry-set -y $KEY_FILE  --fee-limit 100000 -s -w $log -e $contracts -a $(eth-checksum $accounts) AccountIndex
 eth-contract-registry-set -y $KEY_FILE  --fee-limit 100000 -s -w $log -e $contracts -a $(eth-checksum $index) TokenIndex
 eth-contract-registry-set -y $KEY_FILE  --fee-limit 100000 -s -w $log -e $contracts -a $(eth-checksum $gasfaucet) GasFaucet
+eth-contract-registry-set -y $KEY_FILE  --fee-limit 100000 -s -w $log -e $contracts -a $(eth-checksum $period) PeriodBackend
 eth-contract-registry-set -y $KEY_FILE  --fee-limit 100000 -s -w $log -e $contracts -a $(eth-checksum $proxy) CustodialRegistrationProxy
 
 set -e
diff --git a/requirements.txt b/requirements.txt
index e80d8c7..101fd0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-custodial-registration-proxy==0.1.0
+custodial-registration-proxy==0.3.1