diff --git a/Cargo.lock b/Cargo.lock
index c80c0ec..698dea3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,17 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "739f4a8db6605981345c5654f3a85b056ce52f37a39d34da03f25bf2151ea16e"
 
+[[package]]
+name = "ahash"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.15"
@@ -147,7 +158,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fcabb02816fdadf90866dc9a7824491ccb63d69f55375a266dc03509ac68d36"
 dependencies = [
  "borsh-derive",
- "hashbrown",
+ "hashbrown 0.9.1",
 ]
 
 [[package]]
@@ -656,7 +667,16 @@ version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 dependencies = [
- "ahash",
+ "ahash 0.4.7",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+dependencies = [
+ "ahash 0.7.6",
 ]
 
 [[package]]
@@ -767,11 +787,11 @@ dependencies = [
 
 [[package]]
 name = "lru"
-version = "0.6.5"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f374d42cdfc1d7dbf3d3dec28afab2eb97ffbf43a3234d795b5986dbf4b90ba"
+checksum = "469898e909a1774d844793b347135a0cd344ca2f69d082013ecb8061a2229a3a"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.11.2",
 ]
 
 [[package]]
@@ -842,6 +862,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
+
 [[package]]
 name = "oorandom"
 version = "11.1.3"
diff --git a/Cargo.toml b/Cargo.toml
index 620d92b..9f4455d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,7 +57,7 @@ speedy = "0.7.0"
 tokio = { version = "1.4", features = ["macros", "fs", "io-util", "sync"] }
 tokio-stream = "0.1.3"
 async-recursion = "0.3.1"
-lru = "0.6.0"
+lru = "0.7.1"
 nom = "6.0.0"
 chrono = "0.4.19"