diff --git a/Cargo.lock b/Cargo.lock
index 3f35610..d107591 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -753,7 +753,7 @@ dependencies = [
  "lettre_email",
  "log 0.4.17",
  "serde",
- "tokio",
+ "tokio 1.8.4",
 ]
 
 [[package]]
@@ -1536,7 +1536,7 @@ dependencies = [
  "net2",
  "rustc_version",
  "time 0.1.43",
- "tokio",
+ "tokio 0.1.22",
  "tokio-buf",
  "tokio-executor",
  "tokio-io",
@@ -1793,7 +1793,7 @@ dependencies = [
  "jsonrpc-core",
  "lazy_static",
  "log 0.4.17",
- "tokio",
+ "tokio 0.1.22",
  "tokio-codec",
  "unicase 2.6.0",
 ]
@@ -2539,6 +2539,12 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.25"
@@ -3644,6 +3650,16 @@ dependencies = [
  "tokio-uds",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50dae83881bc9b0403dd5b44ea9deed3e939856cc8722d5be37f0d6e5c6d53dd"
+dependencies = [
+ "autocfg 1.1.0",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "tokio-buf"
 version = "0.1.1"
diff --git a/devand-mailer/Cargo.toml b/devand-mailer/Cargo.toml
index 4a2bd02..15a8a1c 100644
--- a/devand-mailer/Cargo.toml
+++ b/devand-mailer/Cargo.toml
@@ -14,7 +14,7 @@ jsonrpc-derive = "14"
 jsonrpc-core = "14"
 jsonrpc-http-server = { version = "14", optional = true }
 jsonrpc-core-client = { version = "14", features = ["http"], optional = true }
-tokio = { version = "0.1", optional = true }
+tokio = { version = "1.8", optional = true }
 lettre = "0.9"
 lettre_email = "0.9"
 dotenv = "0.15"