diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..8f261d3
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "1.86.0"
+components = [ "rustfmt", "clippy" ]
diff --git a/src/archive.rs b/src/archive.rs
index 5fe722b..26853c0 100644
--- a/src/archive.rs
+++ b/src/archive.rs
@@ -49,12 +49,12 @@ impl<'a> PackItArchive<'a> {
     }
 
     /// Get the number of files in the archive
-    pub const fn len(&self) -> usize {
+    pub fn len(&self) -> usize {
         self.files.len()
     }
 
     /// Whether the archive contains any files or not
-    pub const fn is_empty(&self) -> bool {
+    pub fn is_empty(&self) -> bool {
         self.files.is_empty()
     }