diff --git a/src/error.rs b/src/error.rs
index 2c157320e..da7c30d3a 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -135,6 +135,8 @@ impl TemporalError {
     }
 }
 
+impl core::error::Error for TemporalError {}
+
 impl fmt::Display for TemporalError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "{}", self.kind)?;