diff --git a/Cargo.lock b/Cargo.lock
index 51abcf9..6396564 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 4
+version = 3
 
 [[package]]
 name = "ansi_term"
diff --git a/Cargo.toml b/Cargo.toml
index 05b0ef5..10fb68e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ readme = "README.md"
 repository = "https://github.com/sharkdp/diskus"
 version = "0.8.0"
 edition = "2021"
+rust-version = "1.76"
 
 [dependencies]
 num_cpus = "1.0"