diff --git a/Cargo.lock b/Cargo.lock
index 8422c0693..21e62eee4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1612,9 +1612,9 @@ dependencies = [
 
 [[package]]
 name = "flatbuffers"
-version = "25.2.10"
+version = "25.9.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1045398c1bfd89168b5fd3f1fc11f6e70b34f6f66300c87d44d3de849463abf1"
+checksum = "09b6620799e7340ebd9968d2e0708eb82cf1971e9a16821e2091b6d6e475eed5"
 dependencies = [
  "bitflags 2.9.0",
  "rustc_version",
@@ -2862,7 +2862,7 @@ name = "nostr-database"
 version = "0.44.0"
 dependencies = [
  "btreecap",
- "flatbuffers 25.2.10",
+ "flatbuffers 25.9.23",
  "lru",
  "nostr",
  "tokio",
diff --git a/database/nostr-database/Cargo.toml b/database/nostr-database/Cargo.toml
index bcaa5c6f7..c2c3229ea 100644
--- a/database/nostr-database/Cargo.toml
+++ b/database/nostr-database/Cargo.toml
@@ -21,7 +21,7 @@ flatbuf = ["dep:flatbuffers"]
 
 [dependencies]
 btreecap = "0.1"
-flatbuffers = { version = "25.2", optional = true }
+flatbuffers = { version = "25.9", optional = true }
 lru.workspace = true
 nostr = { workspace = true, features = ["std"] }
 tokio = { workspace = true, features = ["sync"] }