diff --git a/Cargo.lock b/Cargo.lock
index c30967c..6d21a43 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2111,7 +2111,7 @@ dependencies = [
  "serde_json",
  "tokio",
  "tokio-util 0.3.1",
- "webpki-roots 0.19.0",
+ "webpki-roots 0.21.0",
 ]
 
 [[package]]
@@ -2135,9 +2135,9 @@ dependencies = [
 
 [[package]]
 name = "webpki-roots"
-version = "0.19.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8eff4b7516a57307f9349c64bf34caa34b940b66fed4b2fb3136cb7386e5739"
+checksum = "82015b7e0b8bad8185994674a13a93306bea76cf5a16c5a181382fd3a5ec2376"
 dependencies = [
  "webpki",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index ac02f8c..650484e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,6 +23,6 @@ actix-rt = "1.1.1"
 tokio = { version = "0.2.22", features = ["process"] }
 tokio-util = { version = "0.3.1", features = ["codec"] }
 rustls = "0.16"
-webpki-roots = "0.19.0"
+webpki-roots = "0.21.0"
 clap = "2.33.3"
 crossbeam-channel = "0.5.0"