diff --git a/Cargo.lock b/Cargo.lock
index bbbf45b..d97514e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -53,6 +53,12 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
+[[package]]
+name = "base64"
+version = "0.21.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
+
 [[package]]
 name = "bumpalo"
 version = "3.13.0"
@@ -274,11 +280,12 @@ checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "pem"
-version = "1.1.1"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8835c273a76a90455d7344889b0964598e3316e2a79ede8e36f16bdcf2228b8"
+checksum = "6b13fe415cdf3c8e44518e18a7c95a13431d9bdf6d15367d82b23c377fdd441a"
 dependencies = [
- "base64",
+ "base64 0.21.2",
+ "serde",
 ]
 
 [[package]]
@@ -319,9 +326,9 @@ dependencies = [
 
 [[package]]
 name = "rcgen"
-version = "0.10.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffbe84efe2f38dea12e9bfc1f65377fdf03e53a18cb3b995faedf7934c7e785b"
+checksum = "4954fbc00dcd4d8282c987710e50ba513d351400dbdd00e803a05172a90d8976"
 dependencies = [
  "pem",
  "ring",
@@ -350,7 +357,7 @@ version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35edb675feee39aec9c99fa5ff985081995a06d594114ae14cbe797ad7b7a6d7"
 dependencies = [
- "base64",
+ "base64 0.13.1",
  "log",
  "ring",
  "sct 0.6.1",
diff --git a/Cargo.toml b/Cargo.toml
index 17a65f4..211ae12 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ log = "0.4"
 mime_guess = "2.0"
 once_cell = "1.18"
 percent-encoding = "2.3"
-rcgen = { version = "0.10.0" }
+rcgen = { version = "0.11.1" }
 rustls = "0.21.2"
 tokio-rustls = "0.24.1"
 tokio = { version = "1.28", features = ["fs", "io-util", "net", "rt-multi-thread", "sync"] }