diff --git a/dns-cache/Cargo.lock b/dns-cache/Cargo.lock
index 8cb380a..801f07c 100644
--- a/dns-cache/Cargo.lock
+++ b/dns-cache/Cargo.lock
@@ -861,9 +861,9 @@ dependencies = [
 
 [[package]]
 name = "lru"
-version = "0.6.6"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ea2d928b485416e8908cff2d97d621db22b27f7b3b6729e438bcf42c671ba91"
+checksum = "469898e909a1774d844793b347135a0cd344ca2f69d082013ecb8061a2229a3a"
 dependencies = [
  "hashbrown",
 ]
diff --git a/dns-cache/Cargo.toml b/dns-cache/Cargo.toml
index b0e5e46..4cc1e32 100644
--- a/dns-cache/Cargo.toml
+++ b/dns-cache/Cargo.toml
@@ -18,7 +18,7 @@ pretty_env_logger = "0.4"
 futures = "0.3"
 prost = "0.7"
 tonic = "0.4"
-lru = "0.6"
+lru = "0.7"
 clap = "2"
 async-stream = "0.3"
 futures-util = "0.3"