diff --git a/requirements.txt b/requirements.txt
index ac4444f..1dec9fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,6 @@ eth-faucet==0.3.4
 erc20-transfer-authorization==0.5.0
 erc20-demurrage-token==0.5.2
 eth-interface==0.1.1
-custodial-registration-proxy
+custodial-registration-proxy=0.1.0
 #cic-contracts==0.2.0
 #defalsify-evm==0.2.0