diff --git a/graphql-introspection-query/src/introspection_response.rs b/graphql-introspection-query/src/introspection_response.rs
index 63d673c1..c2e27d2b 100644
--- a/graphql-introspection-query/src/introspection_response.rs
+++ b/graphql-introspection-query/src/introspection_response.rs
@@ -202,6 +202,10 @@ pub struct InputValue {
     #[serde(rename = "type")]
     pub type_: InputValueType,
     pub default_value: Option<String>,
+    #[serde(default)]
+    pub is_deprecated: Option<bool>,
+    #[serde(default)]
+    pub deprecation_reason: Option<String>,
 }
 
 type InputValueType = TypeRef;