diff --git a/actix-codec/CHANGES.md b/actix-codec/CHANGES.md
index c721762d..2de0bcf6 100644
--- a/actix-codec/CHANGES.md
+++ b/actix-codec/CHANGES.md
@@ -1,6 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 0.5.1 - 2022-03-15
diff --git a/actix-macros/CHANGES.md b/actix-macros/CHANGES.md
index accc52ce..9a25f7ed 100644
--- a/actix-macros/CHANGES.md
+++ b/actix-macros/CHANGES.md
@@ -1,7 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
-- Minimum supported Rust version (MSRV) is now 1.49.
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 0.2.3 - 2021-10-19
diff --git a/actix-rt/CHANGES.md b/actix-rt/CHANGES.md
index 4715a4b5..b19b2b7d 100644
--- a/actix-rt/CHANGES.md
+++ b/actix-rt/CHANGES.md
@@ -2,6 +2,7 @@
 
 ## Unreleased - 2022-xx-xx
 - Add `#[track_caller]` attribute to `spawn` functions and methods. [#454]
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 [#454]: https://github.com/actix/actix-net/pull/454
 
diff --git a/actix-server/CHANGES.md b/actix-server/CHANGES.md
index f8e29d33..1fdb63fd 100644
--- a/actix-server/CHANGES.md
+++ b/actix-server/CHANGES.md
@@ -1,6 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 2.1.1 - 2022-03-09
diff --git a/actix-service/CHANGES.md b/actix-service/CHANGES.md
index 36c6fba5..5f4d5086 100644
--- a/actix-service/CHANGES.md
+++ b/actix-service/CHANGES.md
@@ -1,7 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
-- Minimum supported Rust version (MSRV) is now 1.49.
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 2.0.2 - 2021-12-18
diff --git a/actix-tls/CHANGES.md b/actix-tls/CHANGES.md
index cf36d96c..a4b7c75a 100644
--- a/actix-tls/CHANGES.md
+++ b/actix-tls/CHANGES.md
@@ -1,6 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 3.0.4 - 2022-03-15
diff --git a/actix-tracing/CHANGES.md b/actix-tracing/CHANGES.md
index aecc837c..e4396377 100644
--- a/actix-tracing/CHANGES.md
+++ b/actix-tracing/CHANGES.md
@@ -1,7 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
-- Minimum supported Rust version (MSRV) is now 1.49.
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 0.1.0 - 2020-01-15
diff --git a/actix-utils/CHANGES.md b/actix-utils/CHANGES.md
index 6657000b..0602b27d 100644
--- a/actix-utils/CHANGES.md
+++ b/actix-utils/CHANGES.md
@@ -1,7 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
-- Minimum supported Rust version (MSRV) is now 1.49.
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 3.0.0 - 2021-04-16
diff --git a/bytestring/CHANGES.md b/bytestring/CHANGES.md
index aaf6996c..2cdf6d91 100644
--- a/bytestring/CHANGES.md
+++ b/bytestring/CHANGES.md
@@ -1,6 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 1.1.0 - 2022-06-11
diff --git a/local-channel/CHANGES.md b/local-channel/CHANGES.md
index a0ef93fc..1b273273 100644
--- a/local-channel/CHANGES.md
+++ b/local-channel/CHANGES.md
@@ -1,6 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 0.1.3 - 2022-05-03
diff --git a/local-waker/CHANGES.md b/local-waker/CHANGES.md
index f178a40b..bedfbea6 100644
--- a/local-waker/CHANGES.md
+++ b/local-waker/CHANGES.md
@@ -1,6 +1,7 @@
 # Changes
 
 ## Unreleased - 2022-xx-xx
+- Minimum supported Rust version (MSRV) is now 1.57.
 
 
 ## 0.1.3 - 2022-05-03