diff --git a/Cargo.toml b/Cargo.toml
index 02bef3af..d15f2617 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -89,7 +89,7 @@ derive_more = "0.99.5"
 encoding_rs = "0.8"
 futures-core = { version = "0.3.7", default-features = false }
 futures-util = { version = "0.3.7", default-features = false }
-itoa = "0.4"
+itoa = "1"
 language-tags = "0.3"
 once_cell = "1.5"
 log = "0.4"
diff --git a/actix-http/Cargo.toml b/actix-http/Cargo.toml
index 9f93bf6d..e4eadd37 100644
--- a/actix-http/Cargo.toml
+++ b/actix-http/Cargo.toml
@@ -60,7 +60,7 @@ h2 = "0.3.9"
 http = "0.2.5"
 httparse = "1.5.1"
 httpdate = "1.0.1"
-itoa = "0.4"
+itoa = "1"
 language-tags = "0.3"
 local-channel = "0.1"
 log = "0.4"
diff --git a/actix-http/src/header/shared/quality.rs b/actix-http/src/header/shared/quality.rs
index 5321c754..c2f08edc 100644
--- a/actix-http/src/header/shared/quality.rs
+++ b/actix-http/src/header/shared/quality.rs
@@ -87,7 +87,7 @@ impl fmt::Display for Quality {
 
                     // 0 is already handled so it's not possible to have a trailing 0 in this range
                     // we can just write the integer
-                    itoa::fmt(f, x)
+                    itoa_fmt(f, x)
                 } else if x < 100 {
                     // x in is range 10–99
 
@@ -95,21 +95,21 @@ impl fmt::Display for Quality {
 
                     if x % 10 == 0 {
                         // trailing 0, divide by 10 and write
-                        itoa::fmt(f, x / 10)
+                        itoa_fmt(f, x / 10)
                     } else {
-                        itoa::fmt(f, x)
+                        itoa_fmt(f, x)
                     }
                 } else {
                     // x is in range 100–999
 
                     if x % 100 == 0 {
                         // two trailing 0s, divide by 100 and write
-                        itoa::fmt(f, x / 100)
+                        itoa_fmt(f, x / 100)
                     } else if x % 10 == 0 {
                         // one trailing 0, divide by 10 and write
-                        itoa::fmt(f, x / 10)
+                        itoa_fmt(f, x / 10)
                     } else {
-                        itoa::fmt(f, x)
+                        itoa_fmt(f, x)
                     }
                 }
             }
@@ -117,6 +117,12 @@ impl fmt::Display for Quality {
     }
 }
 
+/// Write integer to a `fmt::Write`.
+pub fn itoa_fmt<W: fmt::Write, V: itoa::Integer>(mut wr: W, value: V) -> fmt::Result {
+    let mut buf = itoa::Buffer::new();
+    wr.write_str(buf.format(value))
+}
+
 #[derive(Debug, Clone, Display, Error)]
 #[display(fmt = "quality out of bounds")]
 #[non_exhaustive]
diff --git a/awc/Cargo.toml b/awc/Cargo.toml
index f9a541c7..cf12f238 100644
--- a/awc/Cargo.toml
+++ b/awc/Cargo.toml
@@ -74,7 +74,7 @@ futures-core = { version = "0.3.7", default-features = false, features = ["alloc
 futures-util = { version = "0.3.7", default-features = false, features = ["alloc", "sink"] }
 h2 = "0.3.9"
 http = "0.2.5"
-itoa = "0.4"
+itoa = "1"
 log =" 0.4"
 mime = "0.3"
 percent-encoding = "2.1"