diff --git a/sdk/python/feast/infra/registry/contrib/postgres/postgres_registry_store.py b/sdk/python/feast/infra/registry/contrib/postgres/postgres_registry_store.py
index 362ec9f485..877e0a018a 100644
--- a/sdk/python/feast/infra/registry/contrib/postgres/postgres_registry_store.py
+++ b/sdk/python/feast/infra/registry/contrib/postgres/postgres_registry_store.py
@@ -1,3 +1,4 @@
+import warnings
 from typing import Optional
 
 import psycopg2
@@ -37,6 +38,11 @@ def __init__(self, config: PostgresRegistryConfig, registry_path: str):
             sslcert_path=getattr(config, "sslcert_path", None),
             sslrootcert_path=getattr(config, "sslrootcert_path", None),
         )
+        warnings.warn(
+            "PostgreSQLRegistryStore is deprecated and will be removed in the future releases. Please use SqlRegistry instead.",
+            DeprecationWarning,
+        )
+
         self.table_name = config.path
         self.cache_ttl_seconds = config.cache_ttl_seconds