diff --git a/stubs/pyfarmhash/METADATA.toml b/stubs/pyfarmhash/METADATA.toml
index d25c8f7d6..67a2d5dde 100644
--- a/stubs/pyfarmhash/METADATA.toml
+++ b/stubs/pyfarmhash/METADATA.toml
@@ -1 +1,4 @@
 version = "0.3.*"
+
+[tool.stubtest]
+ignore_missing_stub = false
diff --git a/stubs/toposort/METADATA.toml b/stubs/toposort/METADATA.toml
index ccb25250b..2312745b6 100644
--- a/stubs/toposort/METADATA.toml
+++ b/stubs/toposort/METADATA.toml
@@ -1 +1,4 @@
 version = "1.7"
+
+[tool.stubtest]
+ignore_missing_stub = false
diff --git a/stubs/ujson/METADATA.toml b/stubs/ujson/METADATA.toml
index d7cde2e5e..a64439bf5 100644
--- a/stubs/ujson/METADATA.toml
+++ b/stubs/ujson/METADATA.toml
@@ -1 +1,4 @@
 version = "5.3.*"
+
+[tool.stubtest]
+ignore_missing_stub = false