diff --git a/bitcoin/bitcoind/bitcoin-mainnet-bitcoind-full.yml b/bitcoin/bitcoind/bitcoin-mainnet-bitcoind-full.yml
index 8d4c858d..5951c7f8 100644
--- a/bitcoin/bitcoind/bitcoin-mainnet-bitcoind-full.yml
+++ b/bitcoin/bitcoind/bitcoin-mainnet-bitcoind-full.yml
@@ -132,6 +132,8 @@ services:
       - ELECTRS_NETWORK=bitcoin
       - ELECTRS_RPC_PASS=password
       - ELECTRS_RPC_USER=username
+    networks:
+      - chains
     volumes:
       - ${BITCOIN_MAINNET_BITCOIND_FULL__ESPLORA_DATA:-bitcoin-mainnet-bitcoind-full_esplora}:/data
     logging: *logging-defaults
diff --git a/bitcoin/bitcoind/bitcoin-testnet-bitcoind-full.yml b/bitcoin/bitcoind/bitcoin-testnet-bitcoind-full.yml
index 2982fc52..f630d75c 100644
--- a/bitcoin/bitcoind/bitcoin-testnet-bitcoind-full.yml
+++ b/bitcoin/bitcoind/bitcoin-testnet-bitcoind-full.yml
@@ -133,6 +133,8 @@ services:
       - ELECTRS_NETWORK=bitcoin-testnet
       - ELECTRS_RPC_PASS=password
       - ELECTRS_RPC_USER=username
+    networks:
+      - chains
     volumes:
       - ${BITCOIN_TESTNET_BITCOIND_FULL__ESPLORA_DATA:-bitcoin-testnet-bitcoind-full_esplora}:/data
     logging: *logging-defaults