diff --git a/Cargo.lock b/Cargo.lock
index b8678b55..2fdb9609 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1642,7 +1642,7 @@ checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
 
 [[package]]
 name = "mercury-server"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "bitcoin",
  "chrono",
diff --git a/docker-compose-test.yml b/docker-compose-test.yml
index c434911a..3f924abb 100644
--- a/docker-compose-test.yml
+++ b/docker-compose-test.yml
@@ -59,7 +59,7 @@ services:
       context: .
       dockerfile: ./server/Dockerfile
     environment:
-      NETWORK: regtest
+      BITCOIN_NETWORK: regtest
       LOCKHEIGHT_INIT: 1100
       LH_DECREMENT: 1
       DB_USER: postgres
diff --git a/server/.env_example b/server/.env_example
index c32e96de..74a2d3ff 100644
--- a/server/.env_example
+++ b/server/.env_example
@@ -1,4 +1,4 @@
-NETWORK =
+BITCOIN_NETWORK =
 LOCKHEIGHT_INIT =
 LH_DECREMENT =
 DB_USER =