diff --git a/Cargo.lock b/Cargo.lock
index 432baf8..f3f24a1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,7 +14,7 @@ dependencies = [
  "futures-sink",
  "log",
  "pin-project 0.4.29",
- "tokio",
+ "tokio 0.2.25",
  "tokio-util",
 ]
 
@@ -119,7 +119,7 @@ dependencies = [
  "futures-channel",
  "futures-util",
  "smallvec",
- "tokio",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -538,7 +538,7 @@ dependencies = [
  "serde 1.0.137",
  "serde_json",
  "shared-expiry-get",
- "tokio",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -703,7 +703,7 @@ dependencies = [
  "serde 1.0.137",
  "serde_derive",
  "serde_json",
- "tokio",
+ "tokio 1.8.4",
  "url",
 ]
 
@@ -1068,7 +1068,7 @@ dependencies = [
  "http",
  "indexmap",
  "slab",
- "tokio",
+ "tokio 0.2.25",
  "tokio-util",
  "tracing",
  "tracing-futures",
@@ -1182,7 +1182,7 @@ dependencies = [
  "itoa 0.4.8",
  "pin-project 1.0.10",
  "socket2",
- "tokio",
+ "tokio 0.2.25",
  "tower-service",
  "tracing",
  "want",
@@ -1197,7 +1197,7 @@ dependencies = [
  "bytes 0.5.6",
  "hyper",
  "native-tls",
- "tokio",
+ "tokio 0.2.25",
  "tokio-tls",
 ]
 
@@ -1942,7 +1942,7 @@ dependencies = [
  "serde 1.0.137",
  "serde_json",
  "serde_urlencoded",
- "tokio",
+ "tokio 0.2.25",
  "tokio-tls",
  "url",
  "wasm-bindgen",
@@ -2000,7 +2000,7 @@ dependencies = [
  "rustc_version 0.2.3",
  "serde 1.0.137",
  "serde_json",
- "tokio",
+ "tokio 0.2.25",
  "xml-rs",
 ]
 
@@ -2020,7 +2020,7 @@ dependencies = [
  "serde 1.0.137",
  "serde_json",
  "shlex",
- "tokio",
+ "tokio 0.2.25",
  "zeroize",
 ]
 
@@ -2046,7 +2046,7 @@ dependencies = [
  "serde 1.0.137",
  "sha2",
  "time 0.2.27",
- "tokio",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -2560,6 +2560,16 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50dae83881bc9b0403dd5b44ea9deed3e939856cc8722d5be37f0d6e5c6d53dd"
+dependencies = [
+ "autocfg",
+ "pin-project-lite 0.2.9",
+]
+
 [[package]]
 name = "tokio-macros"
 version = "0.2.6"
@@ -2578,7 +2588,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a70f4fcd7b3b24fb194f837560168208f669ca8cb70d0c4b862944452396343"
 dependencies = [
  "native-tls",
- "tokio",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -2592,7 +2602,7 @@ dependencies = [
  "futures-sink",
  "log",
  "pin-project-lite 0.1.12",
- "tokio",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -2657,7 +2667,7 @@ dependencies = [
  "rand",
  "smallvec",
  "thiserror",
- "tokio",
+ "tokio 0.2.25",
  "url",
 ]
 
@@ -2676,7 +2686,7 @@ dependencies = [
  "resolv-conf",
  "smallvec",
  "thiserror",
- "tokio",
+ "tokio 0.2.25",
  "trust-dns-proto",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index e06a1ce..06e8e80 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,4 +23,4 @@ failure = "0.1"
 failure_derive = "0.1"
 biscuit = "0.4"
 url = "2.1"
-tokio = "0.2"
+tokio = "1.8"