diff --git a/CHANGELOG.md b/CHANGELOG.md
index 549e283..7cdf9c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+-   Add support for new Steam library configuration file.
+
 ## [1.7.5] - 2022-10-27
 
 ### Added
diff --git a/hephaistos/helpers.py b/hephaistos/helpers.py
index f2dbced..66b7c15 100644
--- a/hephaistos/helpers.py
+++ b/hephaistos/helpers.py
@@ -80,13 +80,17 @@ class HadesNotFound(FileNotFoundError): ...
 
 TRY_STEAM = {
     Platform.WINDOWS: [
+        os.path.expandvars(r'%programfiles%\Steam\config'),
+        os.path.expandvars(r'%programfiles(x86)%\Steam\config'),
         os.path.expandvars(r'%programfiles%\Steam\steamapps'),
         os.path.expandvars(r'%programfiles(x86)%\Steam\steamapps'),
     ],
     Platform.MACOS: [
+        os.path.expanduser(r'~/Library/Application Support/Steam/config'),
         os.path.expanduser(r'~/Library/Application Support/Steam/SteamApps'),
     ],
     Platform.LINUX: [ # Proton wrapper library path
+        os.path.expanduser(r'~/.steam/steam/config'),
         os.path.expanduser(r'~/.steam/steam/steamapps'),
     ],
 }
@@ -142,7 +146,7 @@ def try_detect_hades_dirs() -> list[Path]:
                 potential_hades_dirs.append(Path(heroic_config_json['Min']['install_path']))
             except KeyError:
                 pass
-    return [hades_dir for hades_dir in potential_hades_dirs if hades_dir.exists() and is_valid_hades_dir(hades_dir, False)]
+    return set([hades_dir for hades_dir in potential_hades_dirs if hades_dir.exists() and is_valid_hades_dir(hades_dir, False)])
 
 
 def __try_windows_save_dirs() -> list[Path]: