diff --git a/stubs/libsass/METADATA.toml b/stubs/libsass/METADATA.toml
index 6a5ba17bd..77f836f94 100644
--- a/stubs/libsass/METADATA.toml
+++ b/stubs/libsass/METADATA.toml
@@ -1,3 +1,7 @@
 version = "0.23.*"
 requires = ["types-setuptools"]
 upstream_repository = "https://github.com/sass/libsass-python"
+
+[tool.stubtest]
+# The runtime package has an undeclared dependency on setuptools
+stubtest_requirements = ["setuptools"]
diff --git a/stubs/passlib/METADATA.toml b/stubs/passlib/METADATA.toml
index c1eabfd07..625e9bf3d 100644
--- a/stubs/passlib/METADATA.toml
+++ b/stubs/passlib/METADATA.toml
@@ -1,2 +1,6 @@
 version = "1.7.*"
 upstream_repository = "https://foss.heptapod.net/python-libs/passlib"
+
+[tool.stubtest]
+# The runtime package has an undeclared dependency on setuptools
+stubtest_requirements = ["setuptools"]
diff --git a/stubs/redis/METADATA.toml b/stubs/redis/METADATA.toml
index 84f3ce183..89699e0ff 100644
--- a/stubs/redis/METADATA.toml
+++ b/stubs/redis/METADATA.toml
@@ -15,4 +15,6 @@ extra_description = """\
 
 [tool.stubtest]
 ignore_missing_stub = true
+# The runtime has an undeclared dependency on setuptools
+stubtest_requirements = ["setuptools"]
 extras = ["ocsp"]
diff --git a/stubs/tree-sitter/METADATA.toml b/stubs/tree-sitter/METADATA.toml
index 30d271954..bfcd1317b 100644
--- a/stubs/tree-sitter/METADATA.toml
+++ b/stubs/tree-sitter/METADATA.toml
@@ -1,3 +1,7 @@
 version = "0.20.1"
 upstream_repository = "https://github.com/tree-sitter/py-tree-sitter"
 obsolete_since = "0.20.3" # Released on 2023-11-13
+
+[tool.stubtest]
+# The runtime has an undeclared dependency on setuptools
+stubtest_requirements = ["setuptools"]