diff --git a/spec/filters.yaml b/spec/filters.yaml
index 46a668730b3..6e1f7146ee3 100644
--- a/spec/filters.yaml
+++ b/spec/filters.yaml
@@ -35,6 +35,8 @@ ISSN:
 - 1438-5627
 - 0353-6483
 - 1855-8399
+- 0001-4966
+- 1520-8524
 
 # These titles are ignored when checking for duplicate titles
 TITLES: []