diff --git a/_data/posts/starknet-foundry-workshop.yml b/_data/posts/starknet-foundry-workshop.yml
index 5a920c1d57..e7010446b2 100644
--- a/_data/posts/starknet-foundry-workshop.yml
+++ b/_data/posts/starknet-foundry-workshop.yml
@@ -65,6 +65,7 @@ category:
   - community-and-events
 topic:
   - 043289e7-3b15-4840-9172-534d12593089
+  - open_source
 short_desc: Do you want to contribute to Starknet open-source project? Or are
   you a seasoned contributor looking for new areas to get involved in? During
   this workshop, we will introduce you to Starknet Foundry, a blazingly fast