diff --git a/boot.sh b/boot.sh
index 4272e93..f622e7a 100644
--- a/boot.sh
+++ b/boot.sh
@@ -2,7 +2,6 @@ export RPC_PROVIDER=${RPC_PROVIDER:-http://localhost:8545}
 export CHAIN_SPEC=${CHAIN_SPEC:-evm:celo:1337:celo}
 export KEY_FILE=${KEY_FILE:-keyfile.json}
 export RPC_DIALECT=${RPC_DIALECT:-chainlib_eth_celo}
-export WRITER_KEY_FILE=${WRITER_KEY_FILE:-$KEY_FILE}
 
 export TOKEN_NAME="Testtoken"
 export TOKEN_SYMBOL=TST
@@ -21,7 +20,15 @@ set +e
 t=$(mktemp -d)
 
 # get the writer keyfile address
-writer=$(eth-keyfile -d $WRITER_KEY_FILE)
+publisher=$(eth-keyfile -d $KEY_FILE)
+if [ -z "$publisher" ]; then
+	exit 1
+fi
+writer=${WRITER_ADDRESS:-$publisher}
+writer=$(eth-checksum $writer)
+>&2 echo publisher: $publisher
+>&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 5000000 -s -w $log | tee $t/token.txt)
@@ -59,4 +66,15 @@ eth-encode -y $KEY_FILE --mode tx --signature addWriter a:$writer -e $(eth-check
 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 contract registry
+contracts=$(eth-contract-registry-publish -y $KEY_FILE  --fee-limit 2000000 -s -w $log --identifier TrainingVoucher --identifier AccountIndex --identifier TokenIndex --identifier GasFaucet | 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
+
 set -e
+
+echo $contracts
diff --git a/requirements.txt b/requirements.txt
index 472b28e..3a19cd0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,6 @@ eth-accounts-index==0.3.4
 eth-faucet==0.1.1
 eth-token-index==0.4.0
 eth-address-index==0.6.0
-erc20-transfer-authorization==0.4.1
-erc20-demurrage-token==0.3.3
+#erc20-transfer-authorization==0.4.1
+erc20-demurrage-token==0.3.4
+eth-contract-registry==0.9.0