diff --git a/README.md b/README.md
index 2f7126a77..477914299 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ Make sure you activated the full features of the tokio crate on Cargo.toml:
 
 ```toml
 [dependencies]
-tokio = { version = "1.20.5", features = ["full"] }
+tokio = { version = "1.20.6", features = ["full"] }
 ```
 Then, on your main.rs:
 
diff --git a/tokio/CHANGELOG.md b/tokio/CHANGELOG.md
index d01d91bab..f641a1a92 100644
--- a/tokio/CHANGELOG.md
+++ b/tokio/CHANGELOG.md
@@ -1,3 +1,13 @@
+# 1.20.6 (September 22, 2023)
+
+This is a backport of a change from 1.27.0.
+
+### Changed
+
+- io: use `memchr` from `libc` ([#5960])
+
+[#5960]: https://github.com/tokio-rs/tokio/pull/5960
+
 # 1.20.5 (May 28, 2023)
 
 Forward ports 1.18.6 changes.
diff --git a/tokio/Cargo.toml b/tokio/Cargo.toml
index b9e5934b4..9ebc10ad8 100644
--- a/tokio/Cargo.toml
+++ b/tokio/Cargo.toml
@@ -6,7 +6,7 @@ name = "tokio"
 #   - README.md
 # - Update CHANGELOG.md.
 # - Create "v1.0.x" git tag.
-version = "1.20.5"
+version = "1.20.6"
 edition = "2018"
 rust-version = "1.49"
 authors = ["Tokio Contributors <team@tokio.rs>"]
diff --git a/tokio/README.md b/tokio/README.md
index 2f7126a77..477914299 100644
--- a/tokio/README.md
+++ b/tokio/README.md
@@ -56,7 +56,7 @@ Make sure you activated the full features of the tokio crate on Cargo.toml:
 
 ```toml
 [dependencies]
-tokio = { version = "1.20.5", features = ["full"] }
+tokio = { version = "1.20.6", features = ["full"] }
 ```
 Then, on your main.rs: