diff --git a/src/__tests__/providerCatalog.spec.ts b/src/__tests__/providerCatalog.spec.ts
index 0da746b7..5d6bec33 100644
--- a/src/__tests__/providerCatalog.spec.ts
+++ b/src/__tests__/providerCatalog.spec.ts
@@ -109,7 +109,7 @@ describe("GET /:provider", () => {
 
       const link: Link = catalog.links.find((l: Link) => l.rel === "service-desc");
       expect(link).to.have.property("rel", "service-desc");
-      expect(link).to.have.property("type", "text/yaml");
+      expect(link).to.have.property("type", "application/vnd.oai.workflows+yaml");
       expect(link).to.have.property("href", "https://api.stacspec.org/v1.0.0-beta.1/openapi.yaml");
       expect(link).to.have.property("title", "OpenAPI Doc");
     });
diff --git a/src/routes/catalog.ts b/src/routes/catalog.ts
index 8e0e9d2a..fa4bae82 100644
--- a/src/routes/catalog.ts
+++ b/src/routes/catalog.ts
@@ -51,7 +51,7 @@ const generateSelfLinks = (req: Request, nextCursor?: string | null, count?: num
     {
       rel: "service-desc",
       href: "https://api.stacspec.org/v1.0.0-beta.1/openapi.yaml",
-      type: "text/yaml",
+      type: "application/vnd.oai.workflows+yaml",
       title: "OpenAPI Doc",
     },
     {
diff --git a/src/routes/rootCatalog.ts b/src/routes/rootCatalog.ts
index 26a8ce6f..37353bf8 100644
--- a/src/routes/rootCatalog.ts
+++ b/src/routes/rootCatalog.ts
@@ -27,7 +27,7 @@ const selfLinks = (req: Request): Link[] => {
       rel: "service-desc",
       href: `https://api.stacspec.org/v1.0.0-beta.1/openapi.yaml`,
       title: "OpenAPI Documentation",
-      type: "text/yaml",
+      type: "application/vnd.oai.workflows+yaml",
     },
     {
       rel: "service-doc",