diff --git a/.github/workflows/update-topics.yaml b/.github/workflows/update-topics.yaml
index c4ba39b1a2..2b5b0bedde 100644
--- a/.github/workflows/update-topics.yaml
+++ b/.github/workflows/update-topics.yaml
@@ -58,10 +58,10 @@ jobs:
 
                           res = await fetch(apiUrl, {
                               method: "PUT",
-                              body: {
+                              body: JSON.stringify({
                                   ...data,
                                   topic,
-                              },
+                              }),
                               headers,
                           });