diff --git a/Cargo.lock b/Cargo.lock
index 77de4e3..ff2d9c3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -18,7 +18,7 @@ dependencies = [
  "once_cell",
  "percent-encoding",
  "rcgen",
- "rustls 0.20.2",
+ "rustls 0.20.4",
  "tokio",
  "tokio-rustls 0.23.2",
  "url",
@@ -397,9 +397,9 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.20.2"
+version = "0.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d37e5e2290f3e040b594b1a9e04377c2c671f1a1cfd9bfdef82106ac1c113f84"
+checksum = "4fbfeb8d0ddb84706bc597a5574ab8912817c52a397f819e5b614e2265206921"
 dependencies = [
  "log",
  "ring",
@@ -559,7 +559,7 @@ version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a27d5f2b839802bd8267fa19b0530f5a08b9c08cd417976be2a65d130fe1c11b"
 dependencies = [
- "rustls 0.20.2",
+ "rustls 0.20.4",
  "tokio",
  "webpki 0.22.0",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 5db1e62..ca0ad9d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ mime_guess = "2.0"
 once_cell = "1.8"
 percent-encoding = "2.1"
 rcgen = { version = "0.9.0" }
-rustls = "0.20.1"
+rustls = "0.20.4"
 tokio-rustls = "0.23.2"
 tokio = { version = "1.17", features = ["fs", "io-util", "net", "rt-multi-thread", "sync"] }
 url = "2.2.2"