diff --git a/blocklists/mastodon.art.csv b/blocklists/mastodon.art.csv
index 98d56ba..fa931d8 100644
--- a/blocklists/mastodon.art.csv
+++ b/blocklists/mastodon.art.csv
@@ -442,6 +442,7 @@ initiate.space,suspend,False,False,,False
 injection.love,suspend,False,False,,False
 instinctd.com,suspend,False,False,,False
 inumbra.xyz,suspend,False,False,,False
+is-a.cat,suspend,False,False,,False
 jaeger.website,suspend,False,False,,False
 jawsh.xyz,suspend,False,False,,False
 jayus.net,suspend,False,False,,False
diff --git a/blocklists/mastodon/mastodon.art.csv b/blocklists/mastodon/mastodon.art.csv
index 5658d08..6932533 100644
--- a/blocklists/mastodon/mastodon.art.csv
+++ b/blocklists/mastodon/mastodon.art.csv
@@ -442,6 +442,7 @@ initiate.space,suspend,false,false,,false
 injection.love,suspend,false,false,,false
 instinctd.com,suspend,false,false,,false
 inumbra.xyz,suspend,false,false,,false
+is-a.cat,suspend,false,false,,false
 jaeger.website,suspend,false,false,,false
 jawsh.xyz,suspend,false,false,,false
 jayus.net,suspend,false,false,,false
diff --git a/blocklists/other/domain_audit_file.csv b/blocklists/other/domain_audit_file.csv
index 59bed71..e821a1a 100644
--- a/blocklists/other/domain_audit_file.csv
+++ b/blocklists/other/domain_audit_file.csv
@@ -1148,6 +1148,7 @@ io.mwl.io,1,14.285714285714285
 ipv6-only.site,1,14.285714285714285
 iqdd.social,1,14.285714285714285
 ironbug.org,5,71.42857142857143
+is-a.cat,1,14.285714285714285
 is.chaotic.moe,1,14.285714285714285
 iscute.moe,1,14.285714285714285
 isesh.com,1,14.285714285714285