diff --git a/src/error.rs b/src/error.rs
index fbcdbfb..ede5f98 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -78,7 +78,7 @@ impl Diagnostic for MietteError {
 
 #[cfg(test)]
 pub(crate) mod tests {
-    use std::error::Error;
+    use std::{error::Error, io::ErrorKind};
 
     use super::*;
 
@@ -99,9 +99,9 @@ pub(crate) mod tests {
 
     #[test]
     fn io_error() {
-        let inner_error = io::Error::other("halt and catch fire");
+        let inner_error = io::Error::new(ErrorKind::Other, "halt and catch fire");
         let outer_error = TestError(inner_error);
-        let io_error = io::Error::other(outer_error);
+        let io_error = io::Error::new(ErrorKind::Other, outer_error);
 
         let miette_error = MietteError::from(io_error);
 
diff --git a/src/eyreish/into_diagnostic.rs b/src/eyreish/into_diagnostic.rs
index f0a6351..1f90c34 100644
--- a/src/eyreish/into_diagnostic.rs
+++ b/src/eyreish/into_diagnostic.rs
@@ -46,7 +46,7 @@ impl<T, E: std::error::Error + Send + Sync + 'static> IntoDiagnostic<T, E> for R
 
 #[cfg(test)]
 mod tests {
-    use std::io;
+    use std::io::{self, ErrorKind};
 
     use super::*;
 
@@ -54,7 +54,7 @@ mod tests {
 
     #[test]
     fn diagnostic_error() {
-        let inner_error = io::Error::other("halt and catch fire");
+        let inner_error = io::Error::new(ErrorKind::Other, "halt and catch fire");
         let outer_error: Result<(), _> = Err(TestError(inner_error));
 
         let diagnostic_error = outer_error.into_diagnostic().unwrap_err();