diff --git a/filtermail/Cargo.lock b/filtermail/Cargo.lock
index b3649b64..9b47a4d1 100644
--- a/filtermail/Cargo.lock
+++ b/filtermail/Cargo.lock
@@ -695,6 +695,17 @@ dependencies = [
  "foldhash",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
+dependencies = [
+ "allocator-api2",
+ "equivalent",
+ "foldhash",
+]
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -1095,11 +1106,11 @@ checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
 [[package]]
 name = "lru"
-version = "0.16.3"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1dc47f592c06f33f8e3aea9591776ec7c9f9e4124778ff8a3c3b87159f7e593"
+checksum = "0e0b564323a0fb6d54b864f625ae139de9612e27edb944dda37c109f05aac531"
 dependencies = [
- "hashbrown 0.16.1",
+ "hashbrown 0.17.0",
 ]
 
 [[package]]
diff --git a/filtermail/Cargo.toml b/filtermail/Cargo.toml
index 54f497cf..5bcd9de1 100644
--- a/filtermail/Cargo.toml
+++ b/filtermail/Cargo.toml
@@ -21,7 +21,7 @@ env_logger = "0.11.10"
 governor = "0.10.4"
 viadkim = { version = "0.2.0" }
 hickory-resolver = { version = "0.25.2", features = ["dnssec-ring"] }
-lru = "0.16.3"
+lru = "0.17.0"
 parking_lot = "0.12.5"
 tokio-rustls = { version = "0.26.4", default-features = false, features = [
   "ring",