diff --git a/common/network-defaults/src/mainnet.rs b/common/network-defaults/src/mainnet.rs
index b58b078486..03e67610fe 100644
--- a/common/network-defaults/src/mainnet.rs
+++ b/common/network-defaults/src/mainnet.rs
@@ -25,7 +25,8 @@ pub const PERFORMANCE_CONTRACT_ADDRESS: &str = "";
 pub const NETWORK_MONITORS_CONTRACT_ADDRESS: &str =
     "n1m3a2ltkjqud8mkmrpqvgllrtv2p4r6js6qwl7p8cqkzrq8jg6e2qwqgl8z";
 // \/ TODO: this has to be updated once the contract is deployed
-pub const NODE_FAMILIES_CONTRACT_ADDRESS: &str = "";
+pub const NODE_FAMILIES_CONTRACT_ADDRESS: &str =
+    "n1na0vys0z077hq3zrz6pfea85zgv8ks3t5zysdt6y38c87q045hnsyf2g5x";
 // /\ TODO: this has to be updated once the contract is deployed
 
 pub const ECASH_CONTRACT_ADDRESS: &str =
diff --git a/envs/sandbox.env b/envs/sandbox.env
index cd929f8c4b..a9867a0403 100644
--- a/envs/sandbox.env
+++ b/envs/sandbox.env
@@ -18,6 +18,7 @@ MULTISIG_CONTRACT_ADDRESS=n1tz0setr8vkh9udp8xyxgpqc89ns27k4d0jx2h942hr0ax63yjhmq
 COCONUT_DKG_CONTRACT_ADDRESS=n1v3n2ly2dp3a9ng3ff6rh26yfkn0pc5hed7w2shc5u9ca5c865utqj5elvh
 ECASH_CONTRACT_ADDRESS=n1v3vydvs2ued84yv3khqwtgldmgwn0elljsdh08dr5s2j9x4rc5fs9jlwz9
 NETWORK_MONITORS_CONTRACT_ADDRESS=n1x5krtvyqklj360x38v62ze42g8s8trfsfqzlv8c9296chcpvqadssqnem5
+NODE_FAMILIES_CONTRACT_ADDRESS=n13clyapdqk5umyynp20kqwf59rxlwlp24yf2ltzasflhsdhrxq7fsahyr6z
 
 STATISTICS_SERVICE_DOMAIN_ADDRESS="http://0.0.0.0"
 NYXD=https://rpc.sandbox.nymtech.net
diff --git a/nym-wallet/nym-wallet-types/src/network/sandbox.rs b/nym-wallet/nym-wallet-types/src/network/sandbox.rs
index 28caafa365..f022ab492c 100644
--- a/nym-wallet/nym-wallet-types/src/network/sandbox.rs
+++ b/nym-wallet/nym-wallet-types/src/network/sandbox.rs
@@ -32,7 +32,8 @@ pub const NETWORK_MONITORS_CONTRACT_ADDRESS: &str =
     "n1x5krtvyqklj360x38v62ze42g8s8trfsfqzlv8c9296chcpvqadssqnem5";
 
 // \/ TODO: this has to be updated once the contract is deployed
-pub(crate) const NODE_FAMILIES_CONTRACT_ADDRESS: &str = "";
+pub(crate) const NODE_FAMILIES_CONTRACT_ADDRESS: &str =
+    "n13clyapdqk5umyynp20kqwf59rxlwlp24yf2ltzasflhsdhrxq7fsahyr6z";
 // /\ TODO: this has to be updated once the contract is deployed
 
 // -- Constructor functions --