diff --git a/actix-http/Cargo.toml b/actix-http/Cargo.toml
index f483ea093..a3fe5091e 100644
--- a/actix-http/Cargo.toml
+++ b/actix-http/Cargo.toml
@@ -89,7 +89,7 @@ tokio-util = { version = "0.7", features = ["io", "codec"] }
 tracing = { version = "0.1.30", default-features = false, features = ["log"] }
 
 # http2
-h2 = { version = "0.3.17", optional = true }
+h2 = { version = "0.4.0", optional = true }
 
 # websockets
 local-channel = { version = "0.1", optional = true }
diff --git a/awc/Cargo.toml b/awc/Cargo.toml
index 07811c979..863469529 100644
--- a/awc/Cargo.toml
+++ b/awc/Cargo.toml
@@ -72,7 +72,7 @@ cfg-if = "1"
 derive_more = "0.99.5"
 futures-core = { version = "0.3.17", default-features = false, features = ["alloc"] }
 futures-util = { version = "0.3.17", default-features = false, features = ["alloc", "sink"] }
-h2 = "0.3.17"
+h2 = "0.4.0"
 http = "0.2.7"
 itoa = "1"
 log =" 0.4"