diff --git a/tests/known_issues.csv b/tests/known_issues.csv
index 8c3f4bf1..4557b630 100644
--- a/tests/known_issues.csv
+++ b/tests/known_issues.csv
@@ -8,3 +8,5 @@ test_expiration_check,ES,1103,https://github.com/eu-digital-green-certificates/d
 test_verification_check,ES,401,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/228
 test_verification_check,ES,402,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/228
 test_verification_check,ES,403,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/228
+test_cose_schema,BG,1,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/298
+test_cose_schema,BG,2,https://github.com/eu-digital-green-certificates/dgc-testdata/issues/298