1 files changed, 1 insertions, 1 deletions
diff --git a/src/file/format/mod.rs b/src/file/format/mod.rs
index b3cf279..5aa1acb 100644
--- a/src/file/format/mod.rs
+++ b/src/file/format/mod.rs
@@ -66,7 +66,7 @@ impl FileFormat {
     pub fn parse(&self,
                  uri: Option<&String>,
                  text: &str)
-                 -> Result<HashMap<String, Value>, Box<Error>> {
+                 -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
         match *self {
             #[cfg(feature = "toml")]
             FileFormat::Toml => toml::parse(uri, text),