diff --git a/.changeset/small-glasses-eat.md b/.changeset/small-glasses-eat.md
new file mode 100644
index 000000000..e50a945f1
--- /dev/null
+++ b/.changeset/small-glasses-eat.md
@@ -0,0 +1,5 @@
+---
+"@osdk/client.api": patch
+---
+
+Fix primary key type on action edits
diff --git a/packages/client.api/src/actions/ActionResults.ts b/packages/client.api/src/actions/ActionResults.ts
index 65a305c1a..6567bca6c 100644
--- a/packages/client.api/src/actions/ActionResults.ts
+++ b/packages/client.api/src/actions/ActionResults.ts
@@ -38,7 +38,7 @@ type ObjectEdit =
     bSideObject: ObjectReference;
   });
 interface ObjectReference {
-  primaryKey: unknown;
+  primaryKey: string | number;
   objectType: string;
 }
 export interface ValidateActionResponseV2 {