diff --git a/fixbackup/__init__.py b/fixbackup/__init__.py
index 448516a..f02fa87 100644
--- a/fixbackup/__init__.py
+++ b/fixbackup/__init__.py
@@ -11,4 +11,4 @@
 __author__ = "Some Engineering Inc."
 __license__ = "Apache 2.0"
 __copyright__ = "Copyright © 2023 Some Engineering Inc."
-__version__ = "0.0.9"
+__version__ = "0.0.10"
diff --git a/fixbackup/backup/postgresql.py b/fixbackup/backup/postgresql.py
index 805cc30..6d9e30d 100644
--- a/fixbackup/backup/postgresql.py
+++ b/fixbackup/backup/postgresql.py
@@ -72,7 +72,7 @@ def backup(args: Namespace, backup_file_path: Path, timeout: int = 900, compress
         str(args.pg_host),
         "-p",
         str(args.pg_port),
-        "-u",
+        "-U",
         str(args.pg_user),
         *args.pg_dump_args,
     ]
diff --git a/pyproject.toml b/pyproject.toml
index 9010efe..9543c87 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "fixbackup"
-version = "0.0.9"
+version = "0.0.10"
 authors = [{name="Some Engineering Inc."}]
 description = "FIX Database Backup System"
 license = {file="LICENSE"}