diff --git a/cartridges/importer/steam_source.py b/cartridges/importer/steam_source.py
index 8021db7..4179784 100644
--- a/cartridges/importer/steam_source.py
+++ b/cartridges/importer/steam_source.py
@@ -128,6 +128,7 @@ class SteamSource(URLExecutableSource):
                     shared.data_dir / "Steam",
                     shared.flatpak_dir / "com.valvesoftware.Steam" / "data" / "Steam",
                     shared.programfiles32_dir / "Steam",
+                    shared.app_support_dir / "Steam",
                 ),
                 paths={
                     "libraryfolders.vdf": LocationSubPath(
diff --git a/cartridges/shared.py.in b/cartridges/shared.py.in
index 44852f8..f3405bc 100644
--- a/cartridges/shared.py.in
+++ b/cartridges/shared.py.in
@@ -64,6 +64,8 @@ local_appdata_dir = Path(
 )
 programfiles32_dir = Path(getenv("programfiles(x86)") or r"C:\Program Files (x86)")
 
+app_support_dir = home / "Library" / "Application Support"
+
 try:
     scale_factor = max(
         monitor.get_scale_factor()