diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6532e6e..1aa1ff3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -212,6 +212,13 @@ jobs:
           mkdir -p ~/.ssh
           ssh-keyscan github.com >> ~/.ssh/known_hosts
 
+      - name: Add Bitbucket to known hosts
+        env:
+          HAS_SSH_KEYS: ${{ secrets.SSH_PRIVATE_KEY != '' || secrets.SSH_PRIVATE_KEYS != '' }}
+        if: env.HAS_SSH_KEYS == 'true'
+        run: |
+          ssh-keyscan bitbucket.org >> ~/.ssh/known_hosts
+
       - name: Execute extra commands
         run: |
           tutor picasso run-extra-commands