diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 51fec3e..f13db58 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,12 +17,12 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.60.0
+          - 1.63.0
           - stable
           - beta
           - nightly
         include:
-          - rust: 1.60.0
+          - rust: 1.63.0
             coverage: 'send'
     steps:
       - name: Checkout sources
diff --git a/README.md b/README.md
index 5edd6a9..21e4ace 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ For more information, please see the [Documentation][Docs Link].
 Rust Version
 ------------
 
-`delharc` requires Rustc version 1.60 or greater due to the new syntax for Cargo features, needed by dependent crates.
+`delharc` requires Rustc version 1.63 or greater due to the stabilized array::from_fn function in this version.
 
 
 [Rust]: https://www.rust-lang.org/
@@ -55,4 +55,4 @@ Rust Version
 [Coverage Link]: https://coveralls.io/github/royaltm/rust-delharc?branch=master
 [Coverage img]: https://coveralls.io/repos/github/royaltm/rust-delharc/badge.svg?branch=master
 [rustc version link]: https://github.com/royaltm/rust-delharc#rust-version
-[rustc version img]: https://img.shields.io/badge/rustc-1.60+-lightgray.svg
+[rustc version img]: https://img.shields.io/badge/rustc-1.63+-lightgray.svg