diff --git a/scribe/db/db.py b/scribe/db/db.py
index 7e48067..6f58e25 100644
--- a/scribe/db/db.py
+++ b/scribe/db/db.py
@@ -89,9 +89,9 @@ class HubDB:
         self.header_mc = MerkleCache(self.merkle, self.fs_block_hashes)
 
         # lru cache of tx_hash: (tx_bytes, tx_num, position, tx_height)
-        self.tx_cache = LRUCacheWithMetrics(2 ** 14, metric_name='tx', namespace=NAMESPACE)
+        self.tx_cache = LRUCacheWithMetrics(2 ** 16, metric_name='tx', namespace=NAMESPACE)
         # lru cache of block heights to merkle trees of the block tx hashes
-        self.merkle_cache = LRUCacheWithMetrics(2 ** 13, metric_name='merkle', namespace=NAMESPACE)
+        self.merkle_cache = LRUCacheWithMetrics(2 ** 15, metric_name='merkle', namespace=NAMESPACE)
 
         # these are only used if the cache_all_tx_hashes setting is on
         self.total_transactions: List[bytes] = []