diff --git a/pyproject.toml b/pyproject.toml
index 19e41ae3..3ab1d169 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,7 +65,7 @@ dependencies = [
     "six>=1.9.0",
     "psutil",
     "packaging",
-    "testgres.os_ops>=2.1.0,<3.0.0",
+    "testgres.os_ops>=2.3.0,<3.0.0",
 ]
 
 [project.urls]
diff --git a/src/node_app.py b/src/node_app.py
index 8daecb87..bb8ebc5b 100644
--- a/src/node_app.py
+++ b/src/node_app.py
@@ -3,7 +3,6 @@
 from .node import PostgresNode
 from .node import PortManager
 
-import os
 import typing
 
 
@@ -37,7 +36,7 @@ def __init__(
 
         if test_path is None:
             self._test_path = os_ops.cwd()
-        elif os.path.isabs(test_path):
+        elif self._os_ops.is_abs_path(test_path):
             self._test_path = test_path
         else:
             self._test_path = os_ops.build_path(os_ops.cwd(), test_path)
diff --git a/src/utils.py b/src/utils.py
index 2204e7a2..a8e35aa9 100644
--- a/src/utils.py
+++ b/src/utils.py
@@ -140,7 +140,7 @@ def get_bin_path2(os_ops: OsOperations, filename):
     assert isinstance(os_ops, OsOperations)
 
     # check if it's already absolute
-    if os.path.isabs(filename):
+    if os_ops.is_abs_path(filename):
         return filename
     if isinstance(os_ops, RemoteOperations):
         pg_config = os.environ.get("PG_CONFIG_REMOTE") or os.environ.get("PG_CONFIG")
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 7cafbb32..f85ddca4 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -4,4 +4,4 @@ pytest-env
 pytest-xdist
 psycopg2
 six
-testgres.os_ops>=2.1.0,<3.0.0
+testgres.os_ops>=2.3.0,<3.0.0