diff --git a/Cargo.toml b/Cargo.toml
index 503a75a..fa0f6e7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Clay McLeod <clay.l.mcleod@gmail.com>"]
 edition = "2021"
 license = "Apache-2.0/MIT"
 name = "chainfile"
-rust-version = "1.68.0"
+rust-version = "1.72.0"
 publish = true
 description = "A crate for working with genomics chain files."
 homepage = "https://github.com/stjude-rust-labs/chainfile"
diff --git a/README.md b/README.md
index e300710..363af22 100644
--- a/README.md
+++ b/README.md
@@ -88,7 +88,7 @@ cargo fmt --check
 
 ## Supported Rust Version (SRV)
 
-This crate is designed to work with Rust version 1.68.0 or later. It may, by
+This crate is designed to work with Rust version 1.72.0 or later. It may, by
 happenstance, work with earlier versions of Rust.
 
 ## 🤝 Contributing