diff --git a/actix-http/Cargo.toml b/actix-http/Cargo.toml
index 3f81ea9f000..db266928d48 100644
--- a/actix-http/Cargo.toml
+++ b/actix-http/Cargo.toml
@@ -127,7 +127,7 @@ tokio-util = { version = "0.7", features = ["io", "codec"] }
 tracing = { version = "0.1.30", default-features = false, features = ["log"] }
 
 # http2
-h2 = { version = "0.3.26", optional = true }
+h2 = { version = "0.4.7", optional = true }
 
 # websockets
 local-channel = { version = "0.1", optional = true }
diff --git a/awc/Cargo.toml b/awc/Cargo.toml
index c09f32ac862..0b60b599158 100644
--- a/awc/Cargo.toml
+++ b/awc/Cargo.toml
@@ -109,7 +109,7 @@ cfg-if = "1"
 derive_more = { version = "1", features = ["display", "error", "from"] }
 futures-core = { version = "0.3.17", default-features = false, features = ["alloc"] }
 futures-util = { version = "0.3.17", default-features = false, features = ["alloc", "sink"] }
-h2 = "0.3.26"
+h2 = "0.4.7"
 http = "0.2.7"
 itoa = "1"
 log =" 0.4"