diff --git a/diesel_cli/Cargo.toml b/diesel_cli/Cargo.toml
index fbb06d5f209d..475dbd334e06 100644
--- a/diesel_cli/Cargo.toml
+++ b/diesel_cli/Cargo.toml
@@ -55,7 +55,7 @@ diesel_table_macro_syntax = { version = "0.2", path = "../diesel_table_macro_syn
 syn = { version = "2", features = ["visit"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3.10", features = ["env-filter"] }
-thiserror = "1.0.10"
+thiserror = "2.0.0"
 similar-asserts = "1.6.0"
 
 [dependencies.diesel]
diff --git a/diesel_cli/src/errors.rs b/diesel_cli/src/errors.rs
index 88ced1c140fb..8f538503d5b5 100644
--- a/diesel_cli/src/errors.rs
+++ b/diesel_cli/src/errors.rs
@@ -18,7 +18,7 @@ pub enum Error {
     ProjectRootNotFound(PathBuf),
     #[error("The --database-url argument must be passed, or the DATABASE_URL environment variable must be set.")]
     DatabaseUrlMissing,
-    #[error("Encountered an IO error: {0} {}", print_optional_path(.1))]
+    #[error("Encountered an IO error: {0} {n}", n=print_optional_path(.1))]
     IoError(#[source] std::io::Error, Option<PathBuf>),
     #[error("Failed to execute a database query: {0}")]
     QueryError(#[from] diesel::result::Error),