diff --git a/src/ytdl_sub/cli/main.py b/src/ytdl_sub/cli/main.py
index e5fe9e38..f38dbe93 100644
--- a/src/ytdl_sub/cli/main.py
+++ b/src/ytdl_sub/cli/main.py
@@ -4,7 +4,6 @@ import fcntl
 import gc
 import os
 import sys
-import tempfile
 from contextlib import contextmanager
 from pathlib import Path
 from typing import List
@@ -133,7 +132,11 @@ def _working_directory_lock(config: ConfigFile):
         Other lock error occurred
     """
     working_directory_path = Path(os.getcwd()) / config.config_options.working_directory
-    lock_file_path = Path(tempfile.gettempdir()) / str(working_directory_path).replace("/", "_")
+    lock_file_path = (
+        Path(os.getcwd())
+        / config.config_options.lock_directory
+        / str(working_directory_path).replace("/", "_")
+    )
 
     lock_file = open(lock_file_path, "w", encoding="utf-8")
 
diff --git a/src/ytdl_sub/config/config_validator.py b/src/ytdl_sub/config/config_validator.py
index c12fb860..88b13dac 100644
--- a/src/ytdl_sub/config/config_validator.py
+++ b/src/ytdl_sub/config/config_validator.py
@@ -12,7 +12,7 @@ from ytdl_sub.validators.validators import StringValidator
 
 class ConfigOptions(StrictDictValidator):
     _required_keys = {"working_directory"}
-    _optional_keys = {"umask", "dl_aliases"}
+    _optional_keys = {"umask", "dl_aliases", "lock_directory"}
 
     def __init__(self, name: str, value: Any):
         super().__init__(name, value)
@@ -26,6 +26,9 @@ class ConfigOptions(StrictDictValidator):
         self._dl_aliases = self._validate_key_if_present(
             key="dl_aliases", validator=LiteralDictValidator
         )
+        self._lock_directory = self._validate_key(
+            key="lock_directory", validator=StringValidator, default="/tmp"
+        )
 
     @property
     def working_directory(self) -> str:
@@ -38,14 +41,14 @@ class ConfigOptions(StrictDictValidator):
     @property
     def umask(self) -> Optional[str]:
         """
-        Umask (octal format) to apply to every created file. Defaults to "022".
+        Optional. Umask (octal format) to apply to every created file. Defaults to "022".
         """
         return self._umask.value
 
     @property
     def dl_aliases(self) -> Optional[Dict[str, str]]:
         """
-        Alias definitions to shorten ``ytdl-sub dl`` arguments. For example,
+        Optional. Alias definitions to shorten ``ytdl-sub dl`` arguments. For example,
 
         .. code-block:: yaml
 
@@ -70,6 +73,15 @@ class ConfigOptions(StrictDictValidator):
             return self._dl_aliases.dict
         return {}
 
+    @property
+    def lock_directory(self) -> str:
+        """
+        Optional. The directory to temporarily store file locks, which prevents multiple instances
+        of ``ytdl-sub`` from running. Note that file locks do not work on network-mounted
+        directories. Ensure that this directory resides on the host machine. Defaults to ``/tmp``.
+        """
+        return self._lock_directory.value
+
 
 class ConfigValidator(StrictDictValidator):
     _required_keys = {"configuration", "presets"}