diff --git a/pyproject.toml b/pyproject.toml
index dfa4551..0cd0dd9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,6 +25,7 @@ dependencies = [
     "six ~= 1.16",
     "tqdm ~= 4.66",
     "yoyo-migrations ~= 8.2",
+    "setuptools",  # pin until yoyo-migrations doesn't use pkg_resources
 ]
 
 [project.optional-dependencies]