diff --git a/Cargo.lock b/Cargo.lock
index 70ce9d8c..20487080 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -668,16 +668,15 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.18.2"
+version = "1.18.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4903bf0427cf68dddd5aa6a93220756f8be0c34fcfa9f5e6191e103e15a31395"
+checksum = "8bfb875c82dc0a4f1f37a30e720dee181a2b3a06a428b0fc6873ea38d6407850"
 dependencies = [
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
diff --git a/Cargo.toml b/Cargo.toml
index cb401d8c..d8f3e09a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ lib-ruby-parser = "4.0.2"
 maplit = "1.0"
 ropey = "1.4"
 serde_json = "1.0"
-tokio = { version = "1.17", features = ["full", "tracing", "parking_lot"] }
+tokio = { version = "1.18", features = ["full", "tracing", "parking_lot"] }
 tower-lsp = "0.17"
 
 tracing = "0.1"