diff --git a/requirements/requirements-schemaregistry.txt b/requirements/requirements-schemaregistry.txt
index 1534bd34a..f6e9d5afe 100644
--- a/requirements/requirements-schemaregistry.txt
+++ b/requirements/requirements-schemaregistry.txt
@@ -1,4 +1,4 @@
-attrs
-cachetools
+attrs>=21.2.0
+cachetools>=5.5.0
 httpx>=0.26
 authlib>=1.0.0