diff --git a/Cargo.lock b/Cargo.lock
index 93ed2d84..b631ded8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4007,12 +4007,9 @@ checksum = "469fb0b9cefa57e3ef31275ee7cacb78f2fdca44e4765491884a2b119d4eb130"
 
 [[package]]
 name = "ipnetwork"
-version = "0.20.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf466541e9d546596ee94f9f69590f89473455f88372423e0008fc1a7daf100e"
-dependencies = [
- "serde",
-]
+checksum = "cf370abdafd54d13e54a620e8c3e1145f28e46cc9d704bc6d94414559df41763"
 
 [[package]]
 name = "iri-string"
@@ -5637,14 +5634,15 @@ checksum = "47e1ffaa40ddd1f3ed91f717a33c8c0ee23fff369e3aa8772b9605cc1d22f4c3"
 
 [[package]]
 name = "maxminddb"
-version = "0.24.0"
+version = "0.27.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6087e5d8ea14861bb7c7f573afbc7be3798d3ef0fae87ec4fd9a4de9a127c3c"
+checksum = "7ef0551fc3e7345a6c854c1026b0ddada1e443e51f4fb4cdcf86cc1a71d4b337"
 dependencies = [
  "ipnetwork",
  "log",
  "memchr",
  "serde",
+ "thiserror 2.0.17",
 ]
 
 [[package]]
diff --git a/crates/loom-server-audit/Cargo.toml b/crates/loom-server-audit/Cargo.toml
index ef89f3fe..f1667adf 100644
--- a/crates/loom-server-audit/Cargo.toml
+++ b/crates/loom-server-audit/Cargo.toml
@@ -33,7 +33,7 @@ webpki-roots = { version = "0.26", optional = true }
 
 # Optional dependencies for specific sinks
 sqlx = { version = "0.8", features = ["runtime-tokio", "sqlite"], optional = true }
-maxminddb = { version = "0.24", optional = true }
+maxminddb = { version = "0.27", optional = true }
 rand = { version = "0.9", optional = true }
 reqwest = { version = "0.12", features = ["json"], optional = true }
 
diff --git a/crates/loom-server-geoip/Cargo.toml b/crates/loom-server-geoip/Cargo.toml
index 8d71d4af..00b3e5c4 100644
--- a/crates/loom-server-geoip/Cargo.toml
+++ b/crates/loom-server-geoip/Cargo.toml
@@ -11,7 +11,7 @@ repository.workspace = true
 description = "GeoIP lookup service for Loom using MaxMind databases"
 
 [dependencies]
-maxminddb = "0.24"
+maxminddb = "0.27"
 thiserror.workspace = true
 tracing.workspace = true
 serde = { workspace = true, features = ["derive"] }