diff --git a/src/workato_platform_cli/cli/utils/config/profiles.py b/src/workato_platform_cli/cli/utils/config/profiles.py
index 992dadd..f024380 100644
--- a/src/workato_platform_cli/cli/utils/config/profiles.py
+++ b/src/workato_platform_cli/cli/utils/config/profiles.py
@@ -296,8 +296,8 @@ def save_profiles(self, profiles_config: ProfilesConfig) -> None:
         # Set secure permissions (only user can read/write)
         temp_file.chmod(0o600)
 
-        # Atomic rename
-        temp_file.rename(self.profiles_file)
+        # Atomic replace (works cross-platform, including Windows)
+        temp_file.replace(self.profiles_file)
 
     def get_profile(self, profile_name: str) -> ProfileData | None:
         """Get profile data by name"""
diff --git a/tests/unit/config/test_profiles.py b/tests/unit/config/test_profiles.py
index bb424b4..c83f78f 100644
--- a/tests/unit/config/test_profiles.py
+++ b/tests/unit/config/test_profiles.py
@@ -298,6 +298,36 @@ def test_save_profiles(self, tmp_path: Path) -> None:
             assert saved_data["current_profile"] == "dev"
             assert "dev" in saved_data["profiles"]
 
+    def test_save_profiles_overwrites_existing(self, tmp_path: Path) -> None:
+        """Test saving profiles overwrites existing file (Windows compatibility)."""
+        with patch("pathlib.Path.home", return_value=tmp_path):
+            manager = ProfileManager()
+
+            # First save
+            profile1 = ProfileData(
+                region="us", region_url="https://www.workato.com", workspace_id=123
+            )
+            config1 = ProfilesConfig(current_profile="dev", profiles={"dev": profile1})
+            manager.save_profiles(config1)
+
+            # Second save should overwrite without error
+            profile2 = ProfileData(
+                region="eu", region_url="https://app.eu.workato.com", workspace_id=456
+            )
+            config2 = ProfilesConfig(
+                current_profile="prod", profiles={"dev": profile1, "prod": profile2}
+            )
+            manager.save_profiles(config2)
+
+            # Verify the second save succeeded
+            profiles_file = tmp_path / ".workato" / "profiles"
+            with open(profiles_file) as f:
+                saved_data = json.load(f)
+
+            assert saved_data["current_profile"] == "prod"
+            assert "dev" in saved_data["profiles"]
+            assert "prod" in saved_data["profiles"]
+
     def test_get_profile_success(self, tmp_path: Path) -> None:
         """Test getting profile data."""
         profile = ProfileData(