diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index e83474a..436f7e4 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         rust:
           - stable
-          - 1.67.0
+          - 1.67.1
           - nightly
     steps:
       - uses: actions/checkout@v4
@@ -33,7 +33,7 @@ jobs:
       matrix:
         rust:
           - stable
-          - 1.67.0
+          - 1.67.1
           - nightly
     steps:
       - uses: actions/checkout@v4
diff --git a/Cargo.toml b/Cargo.toml
index 853b8b1..7ac9e67 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ repository = "https://github.com/rusticata/x509-parser.git"
 categories = ["parser-implementations", "cryptography"]
 readme = "README.md"
 edition = "2018"
-rust-version = "1.67.0"
+rust-version = "1.67.1"
 
 include = [
   "CHANGELOG.md",
diff --git a/README.md b/README.md
index a3e34ed..c3cc565 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [![crates.io](https://img.shields.io/crates/v/x509-parser.svg)](https://crates.io/crates/x509-parser)
 [![Download numbers](https://img.shields.io/crates/d/x509-parser.svg)](https://crates.io/crates/x509-parser)
 [![Github CI](https://github.com/rusticata/x509-parser/workflows/Continuous%20integration/badge.svg)](https://github.com/rusticata/x509-parser/actions)
-[![Minimum rustc version](https://img.shields.io/badge/rustc-1.67.0+-lightgray.svg)](#rust-version-requirements)
+[![Minimum rustc version](https://img.shields.io/badge/rustc-1.67.1+-lightgray.svg)](#rust-version-requirements)
 
 # X.509 Parser
 
@@ -103,7 +103,7 @@ pub fn check_signature(cert: &X509Certificate<'_>, issuer: &X509Certificate<'_>)
 
 ## Rust version requirements
 
-`x509-parser` requires **Rustc version 1.67 or greater**, based on der-parser
+`x509-parser` requires **Rustc version 1.67.1 or greater**, based on der-parser
 dependencies and for proc-macro attributes support.
 
 [RFC5280]: https://tools.ietf.org/html/rfc5280
diff --git a/src/lib.rs b/src/lib.rs
index fc07c04..6af96fb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,7 @@
 //! [![crates.io](https://img.shields.io/crates/v/x509-parser.svg)](https://crates.io/crates/x509-parser)
 //! [![Download numbers](https://img.shields.io/crates/d/x509-parser.svg)](https://crates.io/crates/x509-parser)
 //! [![Github CI](https://github.com/rusticata/x509-parser/workflows/Continuous%20integration/badge.svg)](https://github.com/rusticata/x509-parser/actions)
-//! [![Minimum rustc version](https://img.shields.io/badge/rustc-1.67.0+-lightgray.svg)](#rust-version-requirements)
+//! [![Minimum rustc version](https://img.shields.io/badge/rustc-1.67.1+-lightgray.svg)](#rust-version-requirements)
 //!
 //! # X.509 Parser
 //!
@@ -109,7 +109,7 @@
 //!
 //! ## Rust version requirements
 //!
-//! `x509-parser` requires **Rustc version 1.67 or greater**, based on der-parser
+//! `x509-parser` requires **Rustc version 1.67.1 or greater**, based on der-parser
 //! dependencies and for proc-macro attributes support.
 //!
 //! [RFC5280]: https://tools.ietf.org/html/rfc5280