diff --git a/.github/workflows/code-coverage.yml b/.github/workflows/code-coverage.yml
index 6464398a27..9b6a895949 100644
--- a/.github/workflows/code-coverage.yml
+++ b/.github/workflows/code-coverage.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Install Stable Toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.65.0
+          toolchain: 1.67.0
           components: rustfmt
       - name: Cache Rust
         uses: Swatinem/rust-cache@v2
diff --git a/poem-grpc/README.md b/poem-grpc/README.md
index 5207d054dc..da351dbeae 100644
--- a/poem-grpc/README.md
+++ b/poem-grpc/README.md
@@ -64,7 +64,7 @@ This crate uses `#![forbid(unsafe_code)]` to ensure everything is implemented in
 
 ## MSRV
 
-The minimum supported Rust version for this crate is `1.64.0`.
+The minimum supported Rust version for this crate is `1.67.0`.
 
 ## Contributing
 
diff --git a/poem-lambda/README.md b/poem-lambda/README.md
index 589896a3c1..b9855a7d4b 100644
--- a/poem-lambda/README.md
+++ b/poem-lambda/README.md
@@ -49,7 +49,7 @@ This crate uses `#![forbid(unsafe_code)]` to ensure everything is implemented in
 
 ## MSRV
 
-The minimum supported Rust version for this crate is `1.64.0`.
+The minimum supported Rust version for this crate is `1.67.0`.
 
 ## Contributing
 
diff --git a/poem-openapi/README.md b/poem-openapi/README.md
index 33c8d11235..0fe19027d8 100644
--- a/poem-openapi/README.md
+++ b/poem-openapi/README.md
@@ -55,7 +55,7 @@ To avoid compiling unused dependencies, Poem gates certain features, some of whi
 | chrono           | Integrate with the [`chrono` crate](https://crates.io/crates/chrono).            |
 | time             | Integrate with the [`time` crate](https://crates.io/crates/time).                |
 | humantime        | Integrate with the [`humantime` crate](https://crates.io/crates/humantime)       |
-| openapi-explorer | Add OpenAPI Explorer support                                                           |
+| openapi-explorer | Add OpenAPI Explorer support                                                     |
 | swagger-ui       | Add swagger UI support                                                           |
 | rapidoc          | Add RapiDoc UI support                                                           |
 | redoc            | Add Redoc UI support                                                             |
@@ -128,7 +128,7 @@ hello, sunli!
 
 ## MSRV
 
-The minimum supported Rust version for this crate is `1.64.0`.
+The minimum supported Rust version for this crate is `1.67.0`.
 
 ## Contributing
 
diff --git a/poem/README.md b/poem/README.md
index e4d35ef65b..42dacf821a 100644
--- a/poem/README.md
+++ b/poem/README.md
@@ -107,7 +107,7 @@ More examples can be found [here][examples].
 
 ## MSRV
 
-The minimum supported Rust version for this crate is `1.64.0`.
+The minimum supported Rust version for this crate is `1.67.0`.
 
 ## Contributing