diff --git a/flake.lock b/flake.lock
index b2f31485..d97df34d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -77,11 +77,11 @@
         "pre-commit-hooks": "pre-commit-hooks_2"
       },
       "locked": {
-        "lastModified": 1730213537,
-        "narHash": "sha256-bWoeNdFISbGK8M0Xw4edmManGCkJ1oNqbfNY0Hlv9Vc=",
+        "lastModified": 1730890834,
+        "narHash": "sha256-ogmpmsPOlX4qeWVW4NZkTd0Lx8V4rvnjwlgOX7WnTZo=",
         "owner": "cachix",
         "repo": "devenv",
-        "rev": "5c046eeafd13f7a2b9fc733f70ea17571b24410f",
+        "rev": "c5353d1a0483b8f0dc15933de91c6b1b9a892831",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index f2cae7ed..328b5523 100644
--- a/flake.nix
+++ b/flake.nix
@@ -91,6 +91,9 @@
                 '';
                 listen_addresses = "127.0.0.1";
                 port = 6432;
+                settings = {
+                  max_prepared_transactions = 262143;
+                };
               };
 
               process.manager.implementation = "honcho";