4 files changed, 5 insertions, 6 deletions
diff --git a/rust/fatcat-api/README.md b/rust/fatcat-api/README.md
index 572bcbc5..fe725d7f 100644
--- a/rust/fatcat-api/README.md
+++ b/rust/fatcat-api/README.md
@@ -13,7 +13,7 @@ To see how to make this your own, look here:
 [README](https://github.com/swagger-api/swagger-codegen/blob/master/README.md)
 
 - API version: 0.1.0
-- Build date: 2018-06-21T18:49:41.205Z
+- Build date: 2018-06-28T19:08:07.508Z
 
 This autogenerated project defines an API crate `fatcat` which contains:
 * An `Api` trait defining the API in Rust.
diff --git a/rust/fatcat-api/api.yaml b/rust/fatcat-api/api.yaml
index 2326f225..eba6b63c 100644
--- a/rust/fatcat-api/api.yaml
+++ b/rust/fatcat-api/api.yaml
@@ -129,7 +129,6 @@ definitions:
     type: object
     required:
       - title
-      - work_id
     properties:
       <<: *ENTITYPROPS
       title:
diff --git a/rust/fatcat-api/api/swagger.yaml b/rust/fatcat-api/api/swagger.yaml
index 1a719322..8a328822 100644
--- a/rust/fatcat-api/api/swagger.yaml
+++ b/rust/fatcat-api/api/swagger.yaml
@@ -1710,7 +1710,6 @@ definitions:
     type: "object"
     required:
     - "title"
-    - "work_id"
     properties:
       refs:
         type: "array"
diff --git a/rust/fatcat-api/src/models.rs b/rust/fatcat-api/src/models.rs
index fd9e8658..60330392 100644
--- a/rust/fatcat-api/src/models.rs
+++ b/rust/fatcat-api/src/models.rs
@@ -509,7 +509,8 @@ pub struct ReleaseEntity {
     pub container_id: Option<String>,
 
     #[serde(rename = "work_id")]
-    pub work_id: String,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub work_id: Option<String>,
 
     #[serde(rename = "title")]
     pub title: String,
@@ -541,7 +542,7 @@ pub struct ReleaseEntity {
 }
 
 impl ReleaseEntity {
-    pub fn new(work_id: String, title: String) -> ReleaseEntity {
+    pub fn new(title: String) -> ReleaseEntity {
         ReleaseEntity {
             refs: None,
             contribs: None,
@@ -556,7 +557,7 @@ impl ReleaseEntity {
             release_status: None,
             release_type: None,
             container_id: None,
-            work_id: work_id,
+            work_id: None,
             title: title,
             state: None,
             ident: None,