diff --git a/Cargo.lock b/Cargo.lock
index ca544f5..0f3ff24 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "Inflector"
 version = "0.11.4"
@@ -1328,7 +1330,6 @@ version = "0.1.0"
 dependencies = [
  "base64 0.12.3",
  "brotli",
- "futures-util",
  "jemallocator",
  "logic",
  "maplit",
@@ -3384,16 +3385,16 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.19.2"
+version = "1.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
+checksum = "eb78f30e4b41e98ca4cce5acb51168a033839a7af9e42b380355808e14e98ee0"
 dependencies = [
+ "autocfg",
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "parking_lot 0.12.1",
  "pin-project-lite",
  "signal-hook-registry",
diff --git a/env-runners/lambda/Cargo.toml b/env-runners/lambda/Cargo.toml
index ade8e6f..5cc4b94 100644
--- a/env-runners/lambda/Cargo.toml
+++ b/env-runners/lambda/Cargo.toml
@@ -16,7 +16,7 @@ rusoto_sqs = "0.46.0"
 serde_json = "1.0.55"
 serde = { version = "1.0.114", features = ["derive"] }
 serde_with = { version = "1.4.0", features = ["json"] }
-tokio = "1.0"
+tokio = "1.20"
 once_cell = "1.4.0"
 maplit = "1.0"
 
diff --git a/env-runners/native/Cargo.toml b/env-runners/native/Cargo.toml
index d6fad7a..6688d9f 100644
--- a/env-runners/native/Cargo.toml
+++ b/env-runners/native/Cargo.toml
@@ -9,5 +9,5 @@ logic = { path = "../../logic" }
 serde = "1.0.114"
 serde_json = "1.0.55"
 itertools = "0.9.0"
-tokio = { version = "1.0", features = ["macros", "process", "io-util", "time"] }
+tokio = { version = "1.20", features = ["macros", "process", "io-util", "time"] }
 async-trait = "0.1.36"