diff --git a/pyproject.toml b/pyproject.toml
index 6614dbc4..ef3092c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dynamic = [
     "version",
 ]
 dependencies = [
-    "bcrypt",
+    "bcrypt<5",
     "beautifulsoup4",
     "celery>=5.2,<6",
     "celery-once>=3.0.1",