diff --git a/samples/scripts/env/HIST_MB b/samples/scripts/env/HIST_MB
index cb1a40d..697cb3a 100644
--- a/samples/scripts/env/HIST_MB
+++ b/samples/scripts/env/HIST_MB
@@ -1 +1 @@
-250
+300
diff --git a/server/env.py b/server/env.py
index 59be4ef..14e1f1d 100644
--- a/server/env.py
+++ b/server/env.py
@@ -27,7 +27,7 @@ class Env(LoggedClass):
         self.coin = Coin.lookup_coin_class(coin_name, network)
         self.db_dir = self.required('DB_DIRECTORY')
         self.utxo_MB = self.integer('UTXO_MB', 1000)
-        self.hist_MB = self.integer('HIST_MB', 250)
+        self.hist_MB = self.integer('HIST_MB', 300)
         self.host = self.default('HOST', 'localhost')
         self.reorg_limit = self.integer('REORG_LIMIT', 200)
         self.daemon_url = self.build_daemon_url()