diff --git a/Cargo.toml b/Cargo.toml
index 460372e..ca2baa6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ log = "0.4"
 time = { version = "0.3", features = ["parsing", "formatting", "macros"] }
 socket2 = { version = "0.5.3", optional = true, features = ["all"] }
 
-h2 = { version = "0.4.2", default-features = false, optional = true }
+h2 = { version = "0.4.5", default-features = false, optional = true }
 http = "1.0"
 mime = "0.3"
 mime_guess = "2"
@@ -54,8 +54,8 @@ moka = { version = "0.12", features = ["sync"], default-features = false }
 dashmap = "5"
 
 # HTTPS
-rustls = { version = "0.23", optional = true, features = ["std", "ring", "logging", "tls12"], default-features = false }
-rustls-pemfile = { version = "2.0", optional = true }
+rustls = { version = "0.23.8", optional = true, features = ["std", "ring", "logging", "tls12"], default-features = false }
+rustls-pemfile = { version = "2.1", optional = true }
 webpki = { version = "0.22.4", optional = true }
 
 # nonce
diff --git a/extensions/Cargo.toml b/extensions/Cargo.toml
index 0c07c7d..66b4dc3 100644
--- a/extensions/Cargo.toml
+++ b/extensions/Cargo.toml
@@ -24,7 +24,7 @@ memchr = "2"
 url-crawl = { version = "0.2", path = "../url-crawl", optional = true }
 small-acme = { version = "0.2.2", optional = true }
 x509-parser = { version = "0.16", optional = true }
-rustls = { version = "0.23", optional = true, default-features = false, features = ["ring"] }
+rustls = { version = "0.23.8", optional = true, default-features = false, features = ["ring"] }
 # serialize credentials
 ron = { version = "0.8", optional = true }
 rcgen = { version = "0.13", optional = true }
diff --git a/testing/Cargo.toml b/testing/Cargo.toml
index 64f83e1..0171e3c 100644
--- a/testing/Cargo.toml
+++ b/testing/Cargo.toml
@@ -17,6 +17,6 @@ reqwest = { version = "0.12", default-features = false, features = ["rustls-tls-
 rand = "0.8"
 rcgen = "0.13"
 tokio = { version = "1.24", features = ["macros"] }
-rustls = "0.23"
+rustls = "0.23.8"
 env_logger = { version = "0.11", default-features = false, features = ["auto-color"] }
 log = "0.4.19"