diff --git a/docker/regtest/data/boltz/boltz.conf b/docker/regtest/data/boltz/boltz.conf
index 6a3ef7cd0..471612fe6 100644
--- a/docker/regtest/data/boltz/boltz.conf
+++ b/docker/regtest/data/boltz/boltz.conf
@@ -26,8 +26,10 @@ password = "boltz"
   host = "0.0.0.0"
   port = 9005
 
+[swap]
+deferredClaimSymbols = ["BTC", "L-BTC"]
+
 [[pairs]]
-isLegacy = true
 base = "BTC"
 quote = "BTC"
 rate = 1
@@ -44,7 +46,6 @@ minSwapAmount = 50_000
   swapTaproot = 10080
 
 [[pairs]]
-isLegacy = true
 base = "L-BTC"
 quote = "BTC"
 fee = 0.25
@@ -83,6 +84,7 @@ maxZeroConfAmount = 0
   zmqpubrawblock = "tcp://bitcoind:29001"
   port = 18_443
   cookie = "/root/.bitcoin/regtest/.cookie"
+  feeFloor = 0.2
 
   wallet = "lnbits"
 
@@ -101,6 +103,7 @@ maxSwapAmount = 40_294_967
 minSwapAmount = 10_000
 maxZeroConfAmount = 40_294_967
 
+
   [liquid.chain]
   host = "elementsd"
   port = 18884
diff --git a/docker/regtest/docker-compose.yml b/docker/regtest/docker-compose.yml
index f328f1d91..703085dc0 100644
--- a/docker/regtest/docker-compose.yml
+++ b/docker/regtest/docker-compose.yml
@@ -28,7 +28,7 @@ services:
       - lnd-2
       - boltz-postgres
     restart: always
-    image: boltz/boltz:latest
+    image: boltz/boltz:v3.12.1
     ports:
       - 9000:9000
     entrypoint: "sh -c 'sleep 30; /boltz-backend/bin/boltzd'"