diff --git a/.github/workflows/publish-mastodon.yml b/.github/workflows/publish-mastodon.yml
index 95066c228..041df384e 100644
--- a/.github/workflows/publish-mastodon.yml
+++ b/.github/workflows/publish-mastodon.yml
@@ -31,6 +31,7 @@ jobs:
           egress-policy: block
           allowed-endpoints: >
             api.github.com:443
+            fosstodon.org:443
             github.com:443
 
       - name: Checkout