diff --git a/.github/workflows/rust.yaml b/.github/workflows/ci.yaml
similarity index 87%
rename from .github/workflows/rust.yaml
rename to .github/workflows/ci.yaml
index 1678a19..e9597fb 100644
--- a/.github/workflows/rust.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,13 +1,12 @@
-name: rust
+name: ci
 
 on:
+  pull_request: {}
   push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-env:
-  CARGO_TERM_COLOR: always
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * 0'
 
 jobs:
   lint:
@@ -25,7 +24,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.46.0
+          - 1.56.0
           - stable
           - beta
     steps:
diff --git a/Cargo.toml b/Cargo.toml
index 859745c..d25c209 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,8 @@ documentation = "https://docs.rs/crc"
 description = "Rust implementation of CRC with support of various standards"
 keywords = ["crc", "crc16", "crc32", "crc64", "hash"]
 categories = ["algorithms", "no-std"]
-edition = "2018"
+edition = "2021"
+rust-version = "1.56"
 
 [dependencies]
 crc-catalog = "2.1.0"
diff --git a/README.md b/README.md
index 1e3bdb2..a2aa8f6 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Rust implementation of CRC.
 
-[![rust](https://github.com/mrhooray/crc-rs/actions/workflows/rust.yaml/badge.svg)](https://github.com/mrhooray/crc-rs/actions/workflows/rust.yaml)
+[![ci](https://github.com/mrhooray/crc-rs/actions/workflows/ci.yaml/badge.svg)](https://github.com/mrhooray/crc-rs/actions/workflows/ci.yaml)
 [![Crate](https://img.shields.io/crates/v/crc.svg)](https://crates.io/crates/crc)
 [![Docs](https://docs.rs/crc/badge.svg)](https://docs.rs/crc)
 [![License](https://img.shields.io/crates/l/crc.svg?maxAge=2592000)](https://github.com/mrhooray/crc-rs#license)
@@ -43,7 +43,7 @@ assert_eq!(digest.finalize(), 0xaee7);
 
 ### Minimum supported Rust version (MSRV)
 
-This crate's MSRV is 1.46.
+This crate's MSRV is 1.56.
 
 At a minimum, the MSRV will be <= the oldest stable release in the last 12 months. MSRV may be bumped in minor version releases.