diff --git a/integrations/weaviate/pyproject.toml b/integrations/weaviate/pyproject.toml
index 04d05fa94..50f1c157c 100644
--- a/integrations/weaviate/pyproject.toml
+++ b/integrations/weaviate/pyproject.toml
@@ -168,6 +168,7 @@ exclude_lines = [
 
 [[tool.mypy.overrides]]
 module = [
+  "haystack.*",
   "haystack_integrations.*",
   "pytest.*",
   "weaviate.*",